add_parent_to_loop: Add rows of the parent dataframe

In sharonorengo/koboloops: Operations for kobo loops

Description

Add rows of the parent dataframe

Usage

add_parent_to_loop(loop, parent, variables.to.keep = NULL,
  uuid.name.loop = NULL, uuid.name.parent = NULL)

Arguments

loop	a dataframe containing the loops
parent	a dataframe containing the parent informations
variables.to.keep	optional: a string or a vector of string containing the parent columns names that need to be copy in the loop dataset
uuid.name.loop	optional: a string that specify the name of the loop column containing the uuids. If not specify, searches for column containing the uuid string
uuid.name.parent	optional: a string that specify the name of the parent column containing the uuids. If not specify, searches for column containing uuid string

Details

Searches for each row in loop dataframe if it matches with a row of the parent datarame. Select in the row of the parent dataframe, the information that the user wants to add to the loop dataframe

Value

the loop dataframe to which for each row has been added the corresponding value of the parent dataframe variable

Examples

parent <- data.frame(uuid=1:10, age=sample(10,30,60),gender=sample(c("F","M"),10,replace = T) )
child <- data.frame (parent_uuid=sample(1:10,20,replace = T), age=sample(20,1,18)  gender=sample(c("F","M"),20,replace = T))
family<- add_parent_to_loop(child,parent,c("age"))

sharonorengo/koboloops documentation built on June 30, 2019, 10:56 a.m.