| To: | <s-news@lists.biostat.wustl.edu> |
|---|---|
| Subject: | time format |
| From: | "Dr K M MA" <kmma@ha.org.hk> |
| Date: | Thu, 07 Aug 2003 16:09:42 +0800 |
| Cc: | |
| Importance: | normal |
| Reply-to: | "Dr K M MA" <kmma@ha.org.hk> |
| Thread-index: | AcNcvA7WG1XyF52sRqiZJXLx1emGtw== |
Dear sir, Want to calculate the time difference in minutes of two columns; these two columns are input as a dataframe. The format is XX:YY (where XX are hours (24 hours) and YY are minutes). How should one do this? Thanks in advance. kmma Hong Kong |
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