deleting data of a given date range.
Hi
-----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r- project.org] On Behalf Of siddanth911 Sent: Thursday, November 29, 2012 12:10 PM To: r-help at r-project.org Subject: [R] deleting data of a given date range. hey, I have a huge dataset with over 300000 rows which contains data about something from 2009-2012. does anyone know how i can delete all the rows which contain data from 2009 and only have data from 2010-2012??? is there a particular function i can use on the date column so that all data from 2009 can be deleted???
It depends on structure of your data (unstated). If I presume that you have data frame and you have date in some column you can just use standard subsetting new.data <- your.data[your.data$Date > some.threshold.Date, ] Regards Petr
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