search for: tp4640079p4640088

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2012 Aug 12
2
Changing character into date
Dear R People: I have a column in a data frame that has date and time (one per minute), such as "2012-08-09 22:23:00 2012-08-09 22:24:00" etc. What is the best way to change that into numeric dates to be used as an x-axis, please? I've been looking at as.Date and as.Date.numeric, but those are for monthly/yearly data. Thanks for any help in advance! Sincerely, Erin -- Erin