Re: [R] Check for date variable in a arbitrary dataset

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Mon, 24 Nov 2008 08:36:20 -0500

The classes of the columns are:

sapply(DF, class)

On Mon, Nov 24, 2008 at 3:39 AM, Harsh <singhalblr_at_gmail.com> wrote:
> Hello,
> This is my first time posting to the R-help list and I apologize for
> the apparent triviality of my query.
> I am creating an R script to create Univariate Exploratory Analysis of
> a input dataset (No meta-data to provide extra information about each
> column)
> .
> Providing summary statistics is possible in case of numeric data and
> using all.is.numeric() from the Hmisc package allows me to filter out
> those columns with alpha-numeric content.
>
> I have tried to check if a column is a date field or not, but have not
> been able to do so. Are Regular Expressions the only answer? I've also
> looked for CRAN packages but haven't found any.
> Bering a newbie user of R, I do not possess the requisite knowledge to
> write my own function for the above objective.
>
> Thank you for your time
> Harsh
> Decisions Systems Group
> Mu Sigma Inc.
> Chicago, IL
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Mon 24 Nov 2008 - 13:40:21 GMT

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