I did not need to select the whole character sentence, otherwise I would know
how to do it.. from basic introduction to R as you suggest.
Grep works perfectly.
f.
----------------------------------
Francesca Pancotto, PhD
> Il giorno 19 ott 2017, alle ore 18:01, Jeff Newmiller
> <jdnew...@dcn.davis.ca.us> ha scritto:
>
> (Re-)read the discussion of indexing (both `[` and `[[`) and be sure to get
> clear on the difference between matrices and data frames in the Introduction
> to R document that comes with R. There are many ways to create numeric
> vectors, character vectors, and logical vectors that can then be used as
> indexes, including the straightforward way:
>
> df[ c(
> "Unique to strat ",
> "Unique to strat:crt.dummy ",
> "Common to strat, and crt.dummy ",
> "Common to strat, and gender ",
> "Common to strat, and age ") ,]
> --
> Sent from my phone. Please excuse my brevity.
>
> On October 19, 2017 3:14:53 AM PDT, Francesca PANCOTTO
> <f.panco...@unimore.it> wrote:
>> Thanks a lot, so simple so efficient!
>>
>> I will study more the grep command I did not know.
>>
>> Thanks!
>>
>>
>> Francesca Pancotto
>>
>>> Il giorno 19 ott 2017, alle ore 12:12, Enrico Schumann
>> <e...@enricoschumann.net> ha scritto:
>>>
>>> df[grep("strat", row.names(df)), ]
>>
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> 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.
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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.
