clickR (version 0.9.45)

unforge: Un-Forge

Description

Reshapes a data frame from long to wide format

Usage

unforge(data, origin, variables, prefix = origin)

Arguments

data

data.frame

origin

Character vector with variable names in data containing the values to be assigned to the different new variables

variables

Variable in data containing the variable names to be created

prefix

Vector with prefixes for the new variable names

Examples

#Data frame in wide format
df1 <- data.frame(id = 1:4, age = c(20, 30, 30, 35), score1 = c(2,2,3,4),
                  score2 = c(2,1,3,1), score3 = c(1,1,0,1))
df1
#Data frame in long format
df2 <- forge(df1, affixes= c("1", "2", "3"))
df2
#Data frame in wide format again
df3 <- unforge(df2, "score", "time", prefix="score")