dtSecond¶
Purpose¶
Extracts the seconds component from a date/time variable as a number (0-59).
Format¶
-
seconds =
dtSecond(X[, column])¶ - Parameters:
X (Txk dataframe) – Data with metadata.
column (Scalar or string) – Optional, name or index of the date variable in X to get seconds from. Default = first column.
- Returns:
seconds (Tx1 vector) – The seconds of the dates in the column specified by column.
Examples¶
// Create a date
date_df = asDate("2008-02-16 18:36:29", "%Y-%m-%d %H:%M:%S");
// Get seconds
dtSecond(date_df);
This extracts the seconds:
29
Remarks¶
This function only works with dataframes. It does not work with DT Scalars.
See also
Functions dtHour(), dtMinute()