Chain sampling methods. Medical search. Frequent questions

The performance of Monte Carlo integration methods like importance sampling or Markov Chain Monte Carlo procedures greatly depends in all these cases on the choice of the importance or candidate density. (eur.nl)
Neal has made great contributions in the area of machine learning and statistics, where he is particularly well known for his work on Markov chain Monte Carlo, error correcting codes and Bayesian learning for neural networks. (wikipedia.org)
Probabilistic Inference Using Markov Chain Monte Carlo Methods (PDF) (Report). (wikipedia.org)
Handbook of Markov Chain Monte Carlo. (wikipedia.org)
Therefore, we propose to use Lindley's approximation and Markov chain Monte Carlo techniques for Bayesian computation. (springer.com)
However, the Markov chain Monte Carlo (MCMC) sampling method often used by Bayesian models is time-consuming. (usda.gov)
Simulation based methods such as Markov Chain Monte Carlo and importance sampling for use when analytical methods fail. (bath.ac.uk)
Developments in Markov chain Monte Carlo procedures have made it possible to perform fully Bayesian image segmentation. (inria.fr)
This density is explored by a Markov chain Monte-Carlo sampling technique based on a Gibbs loop and including a Metropolis-Hastings step. (aanda.org)
Y.F. Atchadé and J. Rosenthal, On adaptive Markov chain Monte Carlo algorithms. (esaim-ps.org)
D. Chauveau and P. Vandekerkhove, A Monte Carlo estimation of the entropy for Markov chains. (esaim-ps.org)
W.R. Gilks, G.O. Roberts and S.K. Sahu, Adaptive Markov chain Monte carlo through regeneration. (esaim-ps.org)
W.K. Hastings, Monte Carlo sampling methods using Markov chains and their applications. (esaim-ps.org)
begingroup$ I need to implement specific Hidden Markov chain algorithm, the chain has continuous state and observation spaces. (stackexchange.com)
Markov chain Monte Carlo methods are popular techniques used to construct (correlated) samples of an arbitrary distribution. (lu.se)
Exploiting this fact by running Markov chains in this lower dimensional subspace, and thus improving their mixing behavior, can speed up the construction of posterior samples. (lu.se)
Markov chain methods, e.g. (lu.se)

Anitoa Systems is to introduce a portable quantitative polymerase chain reaction (qPCR) system. (foodnavigator.com)
The present study compared the airborne fungi collection performance of a two-stage cyclone sampler (active method) to the performance of the Personal Aeroallergen Sampler (passive method) using quantitative polymerase chain reaction (qPCR) assays. (cdc.gov)
CDK2AP1 mRNA levels were measured using quantitative polymerase chain reaction (RT-PCR) and normalised against glyceraldehyde 3-phosphate dehydrogenase mRNA. (cancerindex.org)
During 2005-2008, about 971,389 samples from several commercial beef production plants were tested using a rapid screening method based on the polymerase chain reaction to determine if they were presumptively positive for bacterial cells carrying Salmonella or Shiga toxin-producing E. coli-specific genes. (nih.gov)
Of the product lots sampled (trim, ground beef, and variety meats), 15% were positive for the stx(1) and/or stx(2) (Shiga toxin genes), 9.1% for the eae gene (the attaching and effacing gene [eae] encoding intimin), 3.0% for an rfb gene region (encoding the O157-specific O side chain polysaccharide), and 1.67% for Salmonella by the polymerase chain reaction assay. (nih.gov)
We genotyped the two ADIPOQ SNPs in 140 unrelated T2DM patients and 66 nondiabetic controls using the polymerase chain reaction-restriction fragment length polymorphism assay. (who.int)
Polymerase chain reaction (PCR): PCR is a test used to locate and make copies of parts of the DNA contained in the castor bean plant. (cdc.gov)
In terms of methodology, Ana Vivancos, PhD, head of the VHIO Cancer Genomics Group and also one of the authors of the study, explained that they used two techniques to analyze the breast milk and blood samples: next-generation sequencing and droplet digital polymerase chain reaction. (medscape.com)
Expansins, cystatins (plant growth enhancers), and metacaspases (plant growth inhibitor) gene expression were studied through reverse transcription polymerase chain reaction. (bvsalud.org)
Several methods have been devised recently for very sensitive detection of variola virus DNA and to distinguish this DNA from that of other orthopoxviruses, the most promising being analysis by polymerase chain reaction (PCR) of restriction fragment length polymorphisms, multiplex PCR and real-time PCR with fluorigenic probes. (who.int)
Polymerase chain reaction is the most sensitive of all microbiological methods for the detection of microorganisms. (bvsalud.org)
Samples were collected from 24 root canals followed by polymerase chain reaction. (bvsalud.org)
The swabs were immediately transported to the laboratory for testing by real-time reverse transcription polymerase chain reaction (RT-PCR). (who.int)

In 2009-2010, 433 transgender people in Ontario, Canada, participated in a multimode respondent-driven sampling survey, including 158 T-GBMSM. (lww.com)
In 2018 we carried out a respondent-driven sampling (RDS) survey among beach boys in Galle, Sri Lanka, to determine prevalence of HIV and other infections, HIV risk behaviours and utilisation of HIV prevention services. (biomedcentral.com)
From March - June 2018, we conducted the second round of an integrated bio-behavioural survey (IBBS) using respondent-driven sampling (RDS) among beach boys in Galle in order to determine the prevalence of HIV, syphilis and herpes virus type-2 (HSV-2), corresponding risk behaviours and utilization of HIV prevention services. (biomedcentral.com)

The methods are tested on a set of illustrative models which include a mixture of normal distributions, a Bayesian instrumental variable regression problem with weak instruments and near non-identification, a cointegration model with near non-stationarity and a two-regime growth model for US recessions and expansions. (eur.nl)
Bayesian methods provide an alternative approach to data analysis, which has the ability to incorporate prior knowledge about a parameter of interest into the statistical model. (bath.ac.uk)

That is, conditionally upon the specification of the neural network, sampling can be done either directly or using a Gibbs sampling technique, possibly using auxiliary variables. (eur.nl)
As an example, choosing the sampler name "Metropolis" calls a versatile Metropolis-type MCMC with options for covariance adaptation, delayed rejection, tempering and Metropolis-within-Gibbs sampling. (univ-lyon1.fr)
Gibbs sampling and the Metropolis-Hastings algorithm, for simulation and inference. (lu.se)

MCMC chain summary ## ## # # # # # # # # # # # # # # # # # # # # # # # # # ## ## # MCMC sampler: Metropolis ## # Nr. Chains: 1 ## # Iterations per chain: 10000 ## # Rejection rate: 0.684 ## # Effective sample size: 1005 ## # Runtime: 2.883 sec. (univ-lyon1.fr)

quantitative and qualitative forecasting methods. (bestessayservices.com)
The quantitative forecasting methods depend on historical data to estimate future sales. (bestessayservices.com)
Comparison of quantitative airborne fungi measurements by active and passive sampling methods. (cdc.gov)

2019). The straight-line method is computed by looking for the past revenue growth and applying it to future operations. (bestessayservices.com)
2019). The moving average method and the straight-line method are almost the same only the moving average looks at sections instead of the entire set of the historical data. (bestessayservices.com)

The prior knowledge takes the form of a prior (to sampling) distribution on the parameter space, which is updated to a posterior distribution via Bayes' Theorem, using the data. (bath.ac.uk)
We perform the analysis by sampling from the posterior distribution of all the parameters. (inria.fr)
However, the construction of posterior samples can be computationally expensive, especially if one model run is costly and/or the dimension of the parameter space is high. (lu.se)

Methods for constructing confidence intervals using re-sampling. (lu.se)

Other possible explanations include sampling late in a patient's hospital stay when virus load was lower, having insufficient contact time with a surface or using insufficiently moist collection swabs. (who.int)

New international regulations for food and feed required analytical methods to generate characterization data for detecting and quantifying the presence of GM crops, which inspired U.S. regulatory agencies to develop a training workshop. (cerealsgrains.org)

NHANES uses several methods to monitor the quality of the analyses performed by the contract laboratories. (cdc.gov)
This report presents the results of the analyses of the bat dropping samples and provides recommendations for protecting workers who might be exposed to bat guano dust during renovation activities. (cdc.gov)

2018). Forecasting in the supply chain enables managers to know when they are supposed to order products and how they should be, whether raw materials, semi-manufactured, or entirely manufactured products. (bestessayservices.com)
2018). These GMRIO models provide regional specific supply chain information for industry-or product sectors along with the sectors' region specific impact factors. (researchgate.net)

The results showed that the expression of these genes was higher in samples collected from wastewater-irrigated soils as compared to control. (bvsalud.org)
The expression of these genes was observed in 45 days old samples, 15 days old samples, and control. (bvsalud.org)

2020). The multiplier linear aggression is among the most reliable forecasting methods since it considers not just a single variable but several independent factors. (bestessayservices.com)

If it has been decided that the "average" level of contamination in the area has to be determined, the more effective way to sample is toentify, as precisely as possible, the full extent of the decision area and carry out a multi-incremental sampling process, usually preceded by developing a sampling grid. (domesticpreparedness.com)

The PLA can acquire surface samples using hand grabs and day grabs from a vessel, or collect from the foreshore. (pla.co.uk)
They usually begin when the decision to collect samples has been made. (domesticpreparedness.com)
4) "What methods will be used to collect the samples? (domesticpreparedness.com)
The effectiveness of the sample collection required to find answers to these questions usually depends primarily on the use of proper statistical techniques - which themselves almost always are determined by the purpose, or intent, of the decision to collect samples. (domesticpreparedness.com)
One of the techniques used is to collect "discrete" or "grab" samples. (domesticpreparedness.com)
ATSDR recommends that the state environmental agency collect tap water samples from every household on Main Street that is connected to the municipal drinking water supply, and all of these samples should be analyzed for bromodichloromethane, bromoform, and chloroform using EPA Method 551.1. (cdc.gov)
These tests can be performed on urine samples, which are easier to collect than samples from the genital area. (medlineplus.gov)

Methods for early detection are needed, as evidenced every day in the multidisciplinary unit for treating pregnancy-associated breast cancer, which operates within the Breast Unit at the Vall d'Hebron University Hospital in Barcelona, Spain. (medscape.com)
As a next step to make this finding practically useful, the research team designed a genomic panel using next-generation sequencing as a potential method for early detection of breast cancer. (medscape.com)
INTRODUCTION: The detection of respiratory syncytial virus (RSV) in upper airway samples does not necessarily infer causality of illness. (cdc.gov)
METHOD: Using unconditional logistic regression models, we estimated the AF of RSV-associated influenza-like illness (ILI) and severe-acute respiratory illness (SARI) cases by comparing RSV-detection prevalence among ILI and SARI cases to those of healthy controls in South Africa, 2012-2016. (cdc.gov)
The method proposed in this study was highly sensitive and specific for the direct detection of microorganisms in root canal samples. (bvsalud.org)

In some cases, health assessors will find that the available sampling data are insufficient for characterizing exposures in pathways of interest. (cdc.gov)

The aims of this study were (1) to determine if candidate neurodevelopmental transcripts are consistently detectable in AF using RT-qPCR and (2) to compare RNA yields from AF collected in commercial RNA stabilization products with the standard method of freezing alone. (biomedcentral.com)

Sample handling and sample chain of custody. (edu.gh)

Such a density has to be `close' to the target density in order to yield numerically accurate results with efficient sampling. (eur.nl)
This sampling not only maximises the information content of the hybrid LCA footprint results by preserving the regional variance, it also allows for using regional price distributions form BACI/UN-COMTRADE international trade statistics to simultaneously improve the accuracy of the hybrid model. (researchgate.net)
To detect these microorganisms, rapid screening methods are often used to provide results within 8-24 hours after sampling. (nih.gov)
ATSDR has offered to review the sampling protocol to ensure the results can be used in the public health assessment process. (cdc.gov)
Biological agents are detected in environmental samples and clinical specimens using specialized tests, including rapid DNA-based tests that yield results within hours. (cdc.gov)
However, most GEP studies have typically been performed on whole tissue samples, containing varying degrees of tumor cell content, which results in uncertainties in data analysis. (lu.se)
The results of the study revealed that fragments and fibers were the primary types of microplastics seen in both water and sediment samples. (bvsalud.org)
IPC measures at the facilities may have contributed to the negative results from the environmental samples. (who.int)

and (4) preserving the collected samples from the time of collection until their receipt at the laboratory. (domesticpreparedness.com)
This is a brief outline of how laboratory testing is done on environmental samples or human clinical specimens that may contain ricin, a poisonous protein from the castor bean plant. (cdc.gov)
If federal law enforcement officers feel the threat is credible, or if a hospital or commercial laboratory cannot rule out the presence of a threatening agent, they transfer suspicious samples to a nearby Laboratory Response Network (LRN) facility or to the Centers for Disease Control and Prevention (CDC) where high-confidence tests can be performed to identify the threat agent. (cdc.gov)
When a reference laboratory receives an environmental sample suspected of containing ricin, the laboratory performs specific tests to detect the presence of the agent. (cdc.gov)
Time-resolved fluorescence immunoassay: In this test, the laboratory technicians use an antibody that binds to ricin to enable them to detect it in environmental samples. (cdc.gov)
Refer to the Laboratory Method Files section for a detailed description of the laboratory methods used. (cdc.gov)
Serum samples were processed, stored and shipped to the Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA for testing. (cdc.gov)
Environmental samples were collected from patient and staff areas at the hospital and various operational and staff areas at the laboratory. (who.int)
During the sampling period, the laboratory tested 6607 respiratory specimens for SARS-CoV-2 from patients within the region, and the hospital admitted 9 COVID-19 cases. (who.int)
All 750 environmental samples (300 laboratory and 450 hospital) and 30 staff specimens were negative for SARS-CoV-2. (who.int)
Further environmental sampling studies of SARS-CoV-2 should consider including testing for the environmental presence of viruses within laboratory settings, targeting the collection of samples to early in the course of a patient's illness and including sampling of confirmed positive control surfaces, while maintaining appropriate biosafety measures. (who.int)

The moving average is a forecasting method that looks at underlying data sequences to estimate future values (Arvan et el. (bestessayservices.com)
MMP uses a 2-stage sampling design to select an appropriate sample of persons from which locally and nationally representative data can be derived. (cdc.gov)
The exciting part is that this approach can acquire data at the same high speed per pixel as conventional microscopy, contrary to most other methods that beat the diffraction limit for microscopy, which can be 1000 times slower per pixel," says George Church, a professor of genetics at Harvard Medical School who was not part of the research team. (laserfocusworld.com)
Hybrid methods, combining input-output and process data have been subject of active research for more than a quarter of a century (Bullard et al. (researchgate.net)
However, sampling can provide the empirical data needed for reliable decisions to be made. (domesticpreparedness.com)
When you conclude that data gaps need to be filled, ATSDR will typically recommend that other agencies or organizations, such as EPA, tribal groups, state agencies, or site owners, conduct sampling. (cdc.gov)
In addition, state-of-the-art modeling tools may also be appropriate in cases where ATSDR has sufficient reason to believe these tools will help define exposures for certain time intervals (e.g., the past), help determine where sampling should be conducted, or supplement the available data (e.g., better define the range of possible contaminant concentrations) (see the modeling section for more information). (cdc.gov)
This role is different from reviewing sampling data that have already been collected, which is discussed in other parts of this e-manual section. (cdc.gov)

The moving average method only accounts for a particular set of information perceived to be of great importance to the firm. (bestessayservices.com)
Neural networks seem to be natural importance or candidate densities, as they have a universal approximation property and are easy to sample from. (eur.nl)
R. Douc, A. Guillin, J.M. Marin and C.P. Robert, Convergence of adaptive mixtures of importance sampling schemes. (esaim-ps.org)
begingroup$ It is some sort of particle filter with its sampling-importance-resampling algorithm. (stackexchange.com)

You physically make the sample bigger, rather than trying to magnify the rays of light that are emitted by the sample,' says Ed Boyden, an associate professor of biological engineering and brain and cognitive sciences at MIT. (laserfocusworld.com)
When filling gaps for the PHA process, health assessors may be asked to help design or review the design of environmental or biological sampling programs. (cdc.gov)

We propose a method for sampling the various individual regions within the aggregated regional scope of LCA processes. (researchgate.net)

The European Centre for Disease Prevention and Control (ECDC) has said improvements must be made after low scores in one parameter of an analysis looking at Listeria typing methods. (foodnavigator.com)
To date, our methods of antenatal prediction of long term neurodevelopmental outcome has been confined to only a few modalities-imaging with ultrasound and MRI, and maternal blood analysis for markers of aneuploidy or neural tube defects. (biomedcentral.com)
The paper, after an in-depth analysis of the literature on the tourism value chain, aims to investigate actions and perspectives which influence tourism management in this challenging period. (cscjournals.org)
The error rate associated with sample collection is significantly greater - up to as much as 1000 percent, in fact - than the rates associated with sample preparation and analysis. (domesticpreparedness.com)
Simulation based methods of integration and statistical analysis. (lu.se)

Hybrid- Life Cycle Assessments (LCA) mostly fails to fully exploit valuable information from Multi-Regional Input-Output (MRIO) models by aggregating regional supply chains to the lower geographical resolution of process LCA databases. (researchgate.net)
Sustainability Strategies of Equipment Introduction and Overcapacity Risk Sharing in Mask Emergency Supply Chains during Pandemics. (cscjournals.org)

OBJECTIVES To estimate the accuracy and reliability of the SD Bioeasy Dengue Duo rapid test and its components to detect dengue infections in a consecutive sample of symptomatic residents in the FD, Brazil. (scielo.br)
We were able to detect tumor mutations in milk samples from 13 of the 15 patients with breast cancer who were tested, while circulating tumor DNA was detected in only one of all the blood samples that were collected at the same time," said Vivancos. (medscape.com)

1996, Nov.). 'The value chain component in a decision support system: a case example', IEEE Trans. (cscjournals.org)
1996). The goal of this method is to obtain US reference ranges for most circulating fatty acids. (cdc.gov)

The increase in the heart respiratory chain proteome suggests an increase in mitochondrial oxidative capacity, which could compensate for the energy deficit caused by the inhibition of glycolysis. (nature.com)
Glycolysis is also used to generate energy in the form of ATP and the energy yield depends on the fate of the final product, pyruvate: it is low when converted to lactate, but much higher when pyruvate is oxidized in the mitochondria, via the respiratory chain. (nature.com)

Kick sampling is suitable for shallow running water with a gravel or muddy bottom. (field-studies-council.org)

The aim of this study was to compare the cfRNA yields from amniotic fluid (AF) collected in a commercial RNA stabilization product with the traditional method of freezing alone. (biomedcentral.com)

Monte Carlo methods for sequential problems. (lu.se)

For instance, the spatial and temporal extent of the sampling did not represent potential site exposures in an exposure unit. (cdc.gov)

function(densiy_func,nbatches=1000) { # this function samples one value x from the given density function # using Metropolis - Hastings algorithm. (stackexchange.com)

From these isolates, 23 strains from scab material and previously lyophilized samples were viable in tissue-culture. (who.int)

Computational fluid dynamics (CFD) based on a finite-volume method was used to simulate three-dimensional pressure and velocity fields for non-Newtonian fluids in fully filled screw elements in a co-rotating twin screw extruder. (degruyter.com)

Health assessors will want to ensure sampling programs are tailored to meet specific desired goals, consider site conditions, reflect local environmental settings, and lay out other necessary components discussed in this section. (cdc.gov)
LRN reference laboratories that test for ricin in environmental samples are public health and partner laboratories with specialized procedures and test reagents provided by the LRN laboratories at CDC. (cdc.gov)

A key step in the proposed class of methods is the construction of a neural network that approximates the target density accurately. (eur.nl)

In contrast, same color categories accounted for 23.3 % of the microplastics found in the soil samples. (bvsalud.org)

This technique is validated versus traditional simulation methods (i.e. conforming meshes). (degruyter.com)

In addition, to optimise the use of wood/wood product identification (taxonomic identity or geographic origin) in support of law enforcement, the guide anticipates upcoming developments to combine different timber identification methods such as wood anatomy, DNA-based methods, stable isotopes, DART TOFMS and NIRS. (researchgate.net)

Novel foodborne pathogen techniques and geographic origin determination methods as well as work from EU projects were presented at Rapid Methods Europe in Amsterdam. (foodnavigator.com)
However, these super-resolution techniques work best with small, thin samples, and take a long time to image large samples. (laserfocusworld.com)
Imaging such large samples would not be feasible with other super-resolution techniques, which require minutes to image a tissue slice only 1 µm thick and are limited in their ability to image large samples by optical scattering and other aberrations. (laserfocusworld.com)
Snowball sampling-problems and techniques of chain referral sampling. (bvsalud.org)

Lipid profile was measured by enzymatic methods. (who.int)

Recognizing the high expense of super-resolution microscopy for cell study, a team of researchers has discovered a method that enlarges tissue samples by embedding them in a polymer that swells when water is added. (laserfocusworld.com)
Cambridge, MA) has discovered a method that enlarges tissue samples by embedding them in a polymer that swells when water is added. (laserfocusworld.com)
Gonorrhea can be quickly detected by looking at a sample of discharge or tissue under the microscope after it has been treated with special chemicals. (medlineplus.gov)

We further develop a window-based SNP weighting method to improve prediction accuracy. (usda.gov)

We linked an outbreak of cryptosporidiosis to ozonated restriction fragment length polymorphism (PCR-RFLP) apple cider by using molecular and epidemiologic methods. (cdc.gov)

Patient samples were split between Streck RNA blood collection tubes (BCT) and plain sterile polypropylene centrifuge tubes. (biomedcentral.com)
This is a guide for the collection of reference samples of trees to enable the identification of species and/or geographical origin of woody material. (researchgate.net)
The process of sample collection is often minimized during the planning phase of remediation and other on-site activities. (domesticpreparedness.com)
Proper planning is essential to successful sample collection, though, and largely for that reason a number of questions should be asked ahead of time - specifically including the following: (1) "Why sample? (domesticpreparedness.com)
The planning processeally should address all of the numerous issues (not all of them scientific in nature) related to sample collection. (domesticpreparedness.com)
Also, an adequate budget should be developed and approved, and an optimum strategy selected to mesh the need for the collection of samples with the budget available. (domesticpreparedness.com)
Because a significant cause of sample collection error is linked to the sample process itself, particularly careful attention must be paid to the choice of sample collection tools and equipment. (domesticpreparedness.com)

A 15 N and 13 C double-labelled OSM187 sample was produced for NMR studies. (bl.uk)
The characterized binding properties and methods established for sample preparation provide a solid starting point for later studies. (bl.uk)

In order to accurately reflect the river basin, a deliberate selection process was employed to choose three separate sampling locations and twelve sampling points. (bvsalud.org)
Bat droppings were collected from eight sampling locations in the attic before and after treatment with a 10 percent household bleach solution to investigate the ability of sodium hypochlorite to disinfect material potentially contaminated with H. capsulatum. (cdc.gov)

In the MEC, these methods include performing blind split samples collected during "dry run" sessions. (cdc.gov)

The advent of these GMRIO models did not only improve the accuracy of the calculation of national carbon footprints (Tukker and Dietzenbacher, 2013) , it also allowed for the hybridisation of complete PLCA databases, using regional specific supply chain information (Agez et al. (researchgate.net)
So, inversion methods require instrument models that faithfully reflect the physical reality to distinguish, in the observations, between what is caused by the instrument and what is due to the actual sky. (aanda.org)

Another study examining HIV risk factors of MSM in Ghana found that a high proportion of men in their sample (93%) had more than one partner ( M = 5.11, SD = 7.4) in the past six months prior to assessment and reported low levels of knowledge regarding the transmission and prevention of HIV and other sexually transmitted infections (STIs) [ 6 ]. (springer.com)
Methods and Materials: This study employs Durkheim's theory on suicide to explain the macro levels of this phenomenon. (suicideinfo.ca)
METHODS A matched case-control study was carried out nested within a cross-sectional study. (scielo.br)
This study contributes theoretically to the value chain theory establishing a model for tourism regeneration. (cscjournals.org)
The thesis also contains an exploratory study of interactions between interleukin-2 (IL-2) and the IL-2 receptor β chain. (bl.uk)
What is the principal study question (or questions) that the sampling will address? (cdc.gov)
METHODS: We conducted a costing study at sentinel sites across South Africa to estimate out-of-pocket and indirect costs for RSV-associated mild and severe illness. (cdc.gov)

Mercaptopropyl-functionalized stainless steel wire that was formed by co-condensation of tetramethoxysilane and 3-mercaptopropyltrimethoxysilane via a sol-gel process, which is followed by in situ surface radical chain-transfer polymerization of 1-vinyl-3-octylimidazolium hexafluorophosphate to result in polymeric ionic liquid modified stainless steel wire. (who.int)
The problems associated with preparation are primarily linked to the subsampling process, where the goal is to obtain a homogenous sample representative of the larger sample. (domesticpreparedness.com)
and the statistical sampling process. (domesticpreparedness.com)
Health assessors who have the opportunity to help design or review new sampling programs should be mindful of certain components to ensure the sampling program is designed in a manner that will inform the PHA process. (cdc.gov)
The first steps in this process involve specifying the sampling program goals. (cdc.gov)

A Typology of Mixed Methods Sampling Designs in Social Science Research', Qual. (cscjournals.org)
2008, Oct.). 'Sampling Knowledge: The Hermeneutics of Snowball Sampling in Qualitative Research', Int. J. Soc. (cscjournals.org)
Sociological Methods and Research , 10 (2), 141-163. (bvsalud.org)
Though we knew that breast cancer is not transmitted through breast milk, we decided to test the sample and look for markers that could help our research. (medscape.com)

Anatomy9

Organisms8

Diseases2

Chemicals and Drugs55

Analytical, Diagnostic and Therapeutic Techniques and Equipment70

Psychiatry and Psychology5

Phenomena and Processes64

Disciplines and Occupations10

Anthropology, Education, Sociology and Social Phenomena6

Technology, Industry, Agriculture4

Information Science14

Named Groups2

Health Care67

Geographicals11

Markov17

Polymerase13

Respondent-driven3

Bayesian2

Gibbs3

MCMC1

Quantitative3

20192

Posterior3

Confidence intervals1

Swabs1

Analytical methods1

Analyses2

20182

Genes2

20201

Contamination1

Collect7

Detection5

Insufficient1

QPCR1

Custody1

Results8

Laboratory11

Data8

Importance4

Biological2

Processes1

Analysis5

Supply chains2

Detect2

19962

Respiratory2

Suitable1

Amniotic1

Monte Carlo M1

Extent1

10001

Isolates1

Computational1

Environmental2

Density1

Soil samples1

Simulation Methods1

Developments1

Techniques4

Enzymatic1

Tissue3

Prediction1

Molecular1

Collection7

Studies2

Locations2

Include1

Models2

Study7

Process5

Research4