heatbuild: Extract rows before and after selected criteria

In MitchStares/droughtwave: Calculations of drought and heat surrounding compound extreme events

Description

This function loops through a data frame, looking for heatevents (specified by the limit t) and extracting the previous and following days, denoted by the arguments days_before and days_after.

This function relies on the lubridate package for date delination, rather than row numbers. This requires a date column - date_col - which needs to be class(date).

The intention of this function is to visualise the building of temperatures and the cooling down of temperatures surrounding the peak day or "heatevent".

Usage

heatbuild(df, temp_col, date_col, t = 39, days_before=5, days_after=5)

Examples

build_summary <- heatbuild(weather,
                            temp_col = temperature,
                            date_col = date)
View(build_summary)

MitchStares/droughtwave documentation built on Dec. 11, 2019, 12:08 a.m.