[R] grep

[Rui Barradas]

Hello,l

Though the question is already answered, here is another answer to what 
is 'x'.
The output in the OP is not a lm or glm output but if your regression 
model was programmed according to recommended practices, there must be a 
'coefficients' member in the list or object it returns and the following 
should work.


# this is 'x', a named character vector
coef(fit)
#
fit |> coef() |> names() |> grep("somewhat|very", x = _)


Hope this helps,

Rui Barradas

Às 10:26 de 12/07/2024, Steven Yen escreveu:
> Thanks. In this case below, what is "x"? I tried rownames(out) which did 
> not work.
> 
> Sorry. Does this sound like homework to you?
> 
> On 7/12/2024 5:09 PM, Uwe Ligges wrote:
>>
>>
>> On 12.07.2024 10:54, Steven Yen wrote:
>>> Below is part a regression printout. How can I use "grep" to identify
>>> rows headed by variables (first column) with a certain label. In this
>>> case, I like to find variables containing "somewhath",
>>> "veryh", "somewhatm", "verym", "somewhatc", "veryc","somewhatl",
>>> "veryl". The result should be an index 6:13 or 6,7,8,9,10,11,12,13. Note
>>> that they all contain "somewhat" and "very". Thanks.
>>
>> Sounds like homework?
>>
>> which(grep("very|somewhat", x))
>>
>> Best,
>> Uwe Ligges
>>
>>
>>> est se t p g sig x.1.age 0.0341 0.0138 2.4766 0.0133 -3.8835e-04 **
>>> x.1.sleep -0.1108 0.0059 -18.6277 0.0000 -4.4572e-04 *** x.1.primary
>>> -0.0694 0.0289 -2.4002 0.0164 -9.9638e-06 ** x.1.middle -0.2909 0.0356
>>> -8.1657 0.0000 -1.4913e-05 *** x.1.high -0.4267 0.0463 -9.2118 0.0000
>>> -3.6246e-05 *** x.1.somewhath -0.6188 0.0256 -24.1971 0.0000 -3.1337e-05
>>> *** x.1.veryh -0.7580 0.0331 -22.8695 0.0000 -2.9558e-05 ***
>>> x.1.somewhatm -0.3413 0.0426 -8.0112 0.0000 -1.8920e-05 *** x.1.verym
>>> -0.3813 0.0446 -8.5413 0.0000 -4.4029e-05 *** x.1.somewhatc -0.3101
>>> 0.0649 -4.7783 0.0000 -1.4353e-05 *** x.1.veryc -0.2977 0.0648 -4.5910
>>> 0.0000 -4.8986e-05 *** x.1.somewhatl -0.6310 0.0424 -14.8846 0.0000
>>> -1.9543e-05 *** x.1.veryl -0.9132 0.0462 -19.7525 0.0000 -4.4603e-05 ***
>>> ...
>>>
>>>     [[alternative HTML version deleted]]
>>>
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>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________
> R-help using 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.


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