Extract just the number

Question

I would like to know how do I extract just the number 4 of a?

> a<-subset(a, data ==datas & category == chosse, select="PCP")
> a
# A tibble: 1 x 1
    PCP
  <dbl>
1     4

Try `a[['PCP']]` or `a[, 'PCP']`. – jay.sf Oct 09 '21 at 13:56 — jay.sf, Oct 09 '21 at 13:56

score 0 · Accepted Answer · answered Oct 09 '21 at 13:56

0

Use $ to extract the data value as vector.

res <- subset(a, data ==datas & category == chosse)$PCP
res

Or

with(a, PCP[data ==datas & category == chosse])

answered Oct 09 '21 at 13:56

Ronak Shah

1 Answers1