is.date: Check if values are valid dates

In cryptoQuotes: Open Access to Cryptocurrency Market Data, Sentiment Indicators and Interactive Charts

Check if values are valid dates

Description

This function check is equivalent to is.numeric(), is.logical(), and checks for the date type classes POSIXct, POSIXt and Date. And wether the character vector can be formatted to dates.

Usage

is.date(x)

Arguments

x	object to be tested

Value

TRUE if its either POSIXct, POSIXt or Date. FALSE otherwise.

See Also

Other development tools: GET(), chart_layout(), convert_date(), default_dates(), fetch(), flatten()

cryptoQuotes documentation built on Sept. 16, 2025, 1:09 a.m.