Developer Tools for parsing date and date-time information
These functions are designed to assist developers in extending the modeltime
package.
parse_index_from_data(data) parse_period_from_index(data, period)
data |
A data frame |
period |
A period to calculate from the time index. Numeric values are returned as-is. "auto" guesses a numeric value from the index. A time-based phrase (e.g. "7 days") calculates the number of timestamps that typically occur within the time-based phrase. |
parse_index_from_data(): Returns a tibble containing the date or date-time column.
parse_period_from_index(): Returns the numeric period from a tibble containing the index.
library(dplyr)
library(timetk)
predictors <- m4_monthly %>%
filter(id == "M750") %>%
select(-value)
index_tbl <- parse_index_from_data(predictors)
index_tbl
period <- parse_period_from_index(index_tbl, period = "1 year")
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