Nothing
test_push_row <- function(){
wide_df = data.frame(
subj = c("Tom", "Mary", "Jack"),
t0 = c( 50, 42, 80),
t1 = c( 48, 42, 75),
t2 = c( 46, 44, 72),
t3 = c( 42, 42, 73)
)
code = "
subject = subj
time = 0
bw = t0
push!()
time = 1
bw = t1
push!()
time = 2
bw = t2
push!()
time = 3
bw = t3
"
long_df = datasailr::sail(wide_df , code = code, fullData=FALSE)
tom_long_df = long_df[long_df$subject=="Tom", ]
RUnit::checkEqualsNumeric( 4 * nrow(wide_df), nrow(long_df))
RUnit::checkEqualsNumeric( tom_long_df$bw , c(50, 48, 46, 42))
}
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