add_n_obs {brolgar} | R Documentation |
tsibble
Here, we are not counting the number of rows in the dataset, but rather we are counting the number observations for each keys in the data.
add_n_obs(.data, ...)
.data |
tsibble |
... |
extra arguments |
tsibble with n_obs
, the number of observations per key added.
library(dplyr)
# you can explore the data to see those cases that have exactly two
# observations:
heights %>%
add_n_obs() %>%
filter(n_obs == 2)