Yes. Any of the following worked. The pipe greater than (|>) is neat! Thanks.

> v<-goprobit.p$est
> names(v) |> grep("somewhat|very", x = _)
 [1]  6  7  8  9 10 11 12 13 28 29 30 31 32 33 34 35 50 51 52 53 54 55 56 57
> v |> names() |> grep("somewhat|very", x = _)
 [1]  6  7  8  9 10 11 12 13 28 29 30 31 32 33 34 35 50 51 52 53 54 55 56 57
> which(grepl("very|somewhat",names(v)))
 [1]  6  7  8  9 10 11 12 13 28 29 30 31 32 33 34 35 50 51 52 53 54 55 56 57
> jj<-grep("very|somewhat",names(v)); jj
 [1]  6  7  8  9 10 11 12 13 28 29 30 31 32 33 34 35 50 51 52 53 54 55 56 57
>

On 7/13/2024 12:31 AM, Rui Barradas wrote:
Hello,

So any of


names(goprobit.p$est) |> grep("somewhat|very", x = _)
goprobit.p$est |> names() |> grep("somewhat|very", x = _)


should work, right?

Hope this helps,

Rui Barradas

Às 16:57 de 12/07/2024, Steven Yen escreveu:
Thanks. First and second of the following worked, but the third (with coef) did not. This may be because I programmed my own estimation program. In short,

names(goprobit.p$est) was recognized, but
names(coef(goprobit)) was not

 > which(grepl("very|somewhat",names(goprobit.p$est)))
  [1]  6  7  8  9 10 11 12 13 28 29 30 31 32 33 34 35 50 51 52 53 54 55 56 57
 > jj<-grep("very|somewhat",names(goprobit.p$est)); length(jj)
[1] 24
 > jj<-grep("very|somewhat",names(coef(goprobit))); length(jj)
Error: object 'goprobit' not found

On 7/12/2024 11:23 PM, Rui Barradas wrote:

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 ***
...

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