Add a counter variable for a span of dataframe

Source: R/utils.R

Adds a variable, span_counter to a dataframe. Used internally to facilitate counting of missing values over a given span.

add_span_counter(data, span_size)

Arguments

data

data.frame
span_size

integer

Value

data.frame with extra variable "span_counter".

Examples

# NOT RUN {
add_span_counter(pedestrian, span_size = 100)
# }