Columns labels? about tibble HOT 6 CLOSED

Is this related to Hmisc::label() and the "labelled" class?

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Yeah, I guess it's the same idea. It's also implemented in the memisc package (see annotations) and possibly in other packages, too.

from tibble.

Then I don't understand the question. If there are solutions in other packages, what is missing in tibble?

from tibble.

That's right, but:

• the Hmisc::label solution is not very pratical because you can't set labels for a whole dataframe at once, you have to do it variable by variable (have a look at Label, it's actually quite funny...)
• the memisc::annotations have the same problem, except for a class data.set which isn't directly inheriting from data.frame, so I guess we'd need to write new S4 methods for tbl_df objects. @melff, what do you think?

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For data.set, see #67. Hmisc::label() and Hmisc::label<-() are both generics, you may easily override them or suggest a data.frame implementation to Frank Harrell.

One thing we might want to fix about labelled columns is the output:

> a <- 1:3
> Hmisc::label(a) <- "label"
> tibble::data_frame(a)
                       a
  <S3: labelled/integer>
1                      1
2                      2
3                      3

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from tibble.