[R] How to create a new data.frame based on calculation of subsets of an existing data.frame
|o@nn@@|o@nnou @end|ng |rom uc|@@c@uk
Fri Dec 20 14:45:50 CET 2019
I made some changes to the code essentially I substitute each 4 lines DS1-4 with one. I estimate VC which in an ideal world should be a matrix with 4 columns one for every exceedance_probability_1-4 and 2 rowsfor each unique combination of taxonomy and IM.Type. Coukd you please check the code I sent last and based on that give your solution?
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From: Jim Lemon <drjimlemon using gmail.com>
Sent: Friday, December 20, 2019 11:40:28 AM
To: Ioannou, Ioanna <ioanna.ioannou using ucl.ac.uk>
Cc: r-help mailing list <r-help using r-project.org>
Subject: Re: [R] How to create a new data.frame based on calculation of subsets of an existing data.frame
For simplicity assume that the new data frame will be named E:
While I haven't tested this, I'm pretty sure I have it correct. Just
extract the columns you want from D and assign that to E.
On Fri, Dec 20, 2019 at 9:02 PM Ioannou, Ioanna
<ioanna.ioannou using ucl.ac.uk> wrote:
> Hello Jim,
> Thank you every so much it ws very helful. In fact what I want to calculate is the following. My very last question is if I want to save the outcome VC, IM.type and Taxonomy in a new data.frame how can I do it?
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