Perform a t-test and return summary statistics
Usage
ttest.analysis(values, groups, alternative = "two.sided");
Arguments
- values
Vector of values to be analyzed
- groups
Factor variable with two levels indicating which entries in 'values' belong to which group for the t-test comparison
- alternative
Type of alternative hypothesis to be used ("two.sided", "greater", or "less"). Defaults to "two.sided".
Value
Data frame with relevant statistics
Examples
ttest.analysis(values = c(rnorm(n=50, mean=0), rnorm(n=50, mean=10)),
groups = factor(c(rep('A', times=50), rep('B', times=50))));
#> statistical.method alternative.hypothesis pvalue group.1 group.2
#> 1 ttest two.sided 5.224192e-72 A B
#> mean.group.1 mean.group.2
#> 1 -0.11386 10.0614