Filter a dataset by a range of years — filter_by

This function filters a dataset to include only rows where the year extracted from a specified date column falls within a given range of years. The date column should be in the format "YYYY-MM-DD" as a string.

Usage

filter_by_year(data, date_column, years_range)

Arguments

data: A data frame containing the dataset to filter.
date_column: A string specifying the name of the column that contains dates as strings.
years_range: A numeric vector specifying the range of years to include in the filtered dataset.

Value

A filtered data frame containing only rows within the specified year range.

Examples

# Example dataset
met_360 <- data.frame(
  date = c("2012-01-01", "2015-06-15", "2020-03-22"),
  temp = c(26.3, 27.5, 28.1)
)

# Filter data for the years 2014 to 2023
years_analysis <- 2014:2023
met_360_filtered <- filter_by_year(met_360, "date", years_analysis)