estp: Sample Size for Estimation of Single Proportion

In samplesizeestimator: Calculate Sample Size for Various Scenarios

Sample Size for Estimation of Single Proportion

Description

This function may be used in case of a descriptive study design where the researcher wishes to describe the distribution of one or more categorical outcome variables without looking at their causal relationship and hypothesis testing.

Usage

estp(prop, prec, alp = 0.05, relative = FALSE)

Arguments

prop	Anticipated proportion of outcome or characteristic of interest in the population
prec	Precision required on either side of the population proportion
alp	Level of significance or accepted level of probability of type I error
relative	a logical argument indicating relative or absolute precision (FALSE gives absolute precision)

Value

a list object with minimum required sample size along with description for reporting

Author(s)

R. Amala, Scientist-C, ICMR-VCRC, Puducherry & G. Kumarapandiyan, Asst. Prof., Madras Christian College, Chennai

References

Lwanga, S. K., Lemeshow, S., & World Health Organization. (1991). Sample size determination in health studies: a practical manual. World Health Organization.

Examples

estp(prop = 0.8, prec = 0.1, alp = 0.01, relative = FALSE)

samplesizeestimator documentation built on Oct. 11, 2023, 1:06 a.m.