na_rle_cut: Cut and aggregate run length encoding <'NA'>

In earowang/mists: Missingness of Temporal Data

Description

Cut and aggregate run length encoding <NA>

Usage

na_rle_cut(x, by)

Arguments

x	An object returned by na_rle() or list_of_na_rle().
by	A function applied to indices, such as tsibble's period functions and lubridate's friends.

Value

A tibble contains:

• indices: aggregated indices.

• n_run: the number of unique runs for each by.

• n_na: the total number of NAs for each by.

See Also

Other rectangling functions: na_rle_expand

Examples

if (!requireNamespace("nycflights13", quietly = TRUE)) {
  stop("Please install the nycflights13 package to run these following examples.")
}
if (!requireNamespace("tidyr", quietly = TRUE)) {
  stop("Please install the tidyr package to run these following examples.")
}
library(dplyr, warn.conflicts = FALSE)
nycflights13::weather %>% 
  group_by(origin) %>% 
  summarise(wind_gust_na = list_of_na_rle(wind_gust, time_hour)) %>% 
  mutate(wind_gust_na = na_rle_cut(wind_gust_na, by = tsibble::yearmonth)) %>% 
  tidyr::unnest(cols = wind_gust_na)

earowang/mists documentation built on Sept. 21, 2019, 1:12 p.m.