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Pspp survival analysis3/31/2023 ![]() ![]() The video will explain the basic concept of regression with examples. The following provides an overview of multivariate analysis and a step-by-step explanation of the key concepts of regression analysis. Inferential statistics (analyzing the difference between groups, correlational) (3_concepts of inferential and descriptive statistics)ģ. (2_undertaking statistical analysis all in one - 47 min)ġ. Two broad types of statistics: descriptive and inferential statistic Steps in undertaking statistical appropriate statistics: (1_an introduction to the medical statistic – 18 minutes)ī) An introduction to basic statistical terms D.Statistical analysis 1.The basics of statistical analysis: a) An introduction and overall picture Sampling: Simple Random, Convenience, systematic, cluster, stratified - Statistics Help: These videos discuss different sampling methods that you could use for quantitative study. It can be used for studies with dichotomous, continuous, or survival response measures. PS is an interactive program for performing power and sample size calculations that may be downloaded for free. PS: Power and Sample Size Calculation version 3.1.2, 201 It can be run from a web server or downloaded and run without a web connection. OpenEpi is free and open source software for epidemiologic statistics. OpenEpi provides statistics for counts and measurements in descriptive and analytic studies, stratified analysis with exact confidence limits, matched pair and person-time analysis, sample size and power calculations, random numbers, sensitivity, specificity and other evaluation statistics, R x C tables, chi-square for dose-response, and links to other useful sites. It covers many different statistical tests of the F, t, chi-square, and z test families as well as some exact tests. G*Power 3 is a statistical power analysis program designed to analyze different types of power and compute size with graphics options. These utilities can be used to calculate required sample sizes to estimate a population mean or proportion, to detect significant differences between two means or two proportions or to estimate a true herd-level prevalence. Online sample size calculators could be accessed here: Principles and concepts Ĭalculating Required Sample Size to Estimate Population Proportions: Ĭalculate A Sample Size of A proportion: Ĭalculate Sample Size Interval of A Population Mean: Ģ. Sample size calculations Don’t know how to calculate sample size? Unsure which sampling technique you are going to use? The first video is a general explanation on sample size calculation, subsequent videos give a step-to-step guide to calculating sample size for your research 1. A reading resource on different study designs for quantitative research along with the pros and cons of each design. ![]()
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