get.foldchange

Calculates the fold-changes between two samples. Calculated as mean(group2) / mean(group1)

Usage

get.foldchange(x, group1, group2, logged = TRUE);

Arguments

x

Vector of numbers to analyze

group1

Vector of TRUE/FALSE indicating which are the x samples for the fold-changes

group2

Vector of TRUE/FALSE indicating which are the y samples for the fold-changes

logged

Is the data in log-space or in normal-space?

Value

calculate the fold change of group1 relating to group2

Author

Sylvia Shiah

Examples

get.foldchange(
  x = rnorm(100),
  group1 = c(rep(TRUE, 50), rep(FALSE, 50)),
  group2 = c(rep(FALSE, 50), rep(TRUE, 50))
  );
#> [1] 0.0592933