generateStrata function

Generate one strata variable from multiple factors

For strata defined by multiple variables (e.g. sex,age,country) one combined variable is generated.

generateStrata(df, stratavars, name)

Arguments

• df: a data.frame
• stratavars: character vector with variable name
• name: name of the newly generated variable

Returns

The original data set with one new column.

Examples

x <- testdata
x <- generateStrata(x,c("sex","urbrur"),"strataIDvar")
head(x)

Author(s)

Alexander Kowarik