在 R 编程中确定特定日期的工作日 - weekdays()函数
R 语言中的weekdays()
函数用于确定作为参数传递给它的特定日期的工作日。
Syntax: weekdays(date, abbreviate)
Parameters:
date: Date to be checked
abbreviate: Boolean value to abbreviate weekday
示例 1:
# R program to find the weekday
# on a specific date
# Specifying the date
date <- as.POSIXlt("2020-06-23")
date
# Calling weekdays() function
weekdays(date)
输出:
[1] "2020-06-23 UTC"
[1] "Tuesday"
示例 2:
# R program to find the weekday
# on a specific date
# Specifying the date
date <- as.POSIXlt("1994-06-17")
date
# Calling weekdays() function
weekdays(date, abbreviate = TRUE)
输出:
[1] "1994-06-17 UTC"
[1] "Fri"