Nothing
test_if <- function(){
data(mtcars)
mtcars[,"name"] = rownames(mtcars)
code = '
power = ""
if( hp > 145 ){
power = "powerful"
}else if( 145 >= hp && hp > 0){
power = "low power"
}else{
print("hp variable has missing value")
}
efficient = ""
if( mpg > 20){
efficient = "efficient"
}else if( 20 >= mpg && mpg > 0 ){
efficient = "inefficient"
}else{
print("mpg variable has missing value")
}
description = name + " is " + power + " " + efficient + " car"
'
mtcars_result = datasailr::sail(mtcars, code)
mtcars2 = mtcars
mtcars2$power = ifelse( mtcars2$hp > 145 , "powerful" , "low power" )
mtcars2$efficient = ifelse( mtcars2$mpg > 20 , "efficient" , "inefficient" )
mtcars2$description = paste(mtcars2$name, "is", mtcars2$power, mtcars2$efficient, "car" )
RUnit::checkEquals( mtcars_result[,"power"] , mtcars2[,"power"] )
RUnit::checkEquals( mtcars_result[,"efficient"] , mtcars2[,"efficient"] )
RUnit::checkEquals( mtcars_result[,"description"] , mtcars2[,"description"] )
}
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