EpiModel (version 0.25)

sampledf: Sample Rows of a Data Frame

Description

This function samples rows from a data frame.

Usage

sampledf(df, size, replace = FALSE, sortby = "")

Arguments

df

data frame to be sampled

size

number of rows to sample

replace

sample with replacement

sortby

sort the data frame by a variable in the data frame

Examples

df <- expand.grid(a=0:1, b=0:1, c=0:1)
df$count <- rpois(nrow(df), 5)
df2 <- expanddf(df, df$count)
( df3 <- sampledf(df2, size=5, replace=FALSE, sortby='c') )