hwo to sum columnsin r code example

Example 1: sum columns r

colSums (x, na.rm = FALSE, dims = 1)
rowSums (x, na.rm = FALSE, dims = 1)
colMeans(x, na.rm = FALSE, dims = 1)
rowMeans(x, na.rm = FALSE, dims = 1)

Example 2: how to summarise data but keep columns R

data %>%
  group_by(b) %>%
  mutate(min_values = min(c)) %>%
  ungroup()