sampsizesampsize - Utility to easily compute sample size for surveys, particularly surveys of events with low probability of occurrence | |
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- License:
- GPL
- Price:
- FREE
- Publisher Name:
- Philippe Glaziou
- Publisher web site:
- Operating Systems:
- Mac OS X
- File Size:
- 199 KB
sampsize Tags
sampsize Description
sampsize - Utility to easily compute sample size for surveys, particularly surveys of events with low probability of occurrence Sampsize is a small utility to easily compute sample size for surveys, particularly surveys of events with low probability of occurrence, and sample or power of comparative studies.Sampsize computes power and sample size for surveys, comparative studies including case-control studies and non-inferiority trials.Here are some key features of "sampsize":· Sample size for prevalence surveys· Finite population correction· Sample size to detect a minimum number of events· Exact binomial confidence intervals· Sample size and power for one-sample comparison of percentage to hypothesized value· Sample size and power for two-sample comparison of percentages· Sample size and power for one-sample comparison of mean to hypothesized value· Sample size and power for two-sample comparison of means· Correction for cluster sampling designs· Sample size and power for unmatched and 1:1 matched case-control studies· Minimum/Maximum detectable odds-ratio in case-control studies· Optional Continuity Correction· Sample size of non-inferiority trials with comparison of means and percentages
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