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Add a cbind method for tbl_df? #85
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I've checked |
97a0e10 contains a draft, but especially the cases when binding a data frame to a non-data frame are tricky. There's |
Related: #34 for rbind(). |
I second this issue. My use case is this:
I need to work with list columns, so I want to use tibbles to sidestep some problems. It's a bit annoying if they keep getting implicitly converted back to regular data frames. I took a stab at it. This is probably a terrible way to do, and maybe buggy for other use cases. I left in my mistakes and attempts in case they are useful to someone else.
Test:
So we get the right output. |
Unfortunately, a cbind method seems to require patching the base R function, like data.table does. Please use |
Can't Does that need a separate issue (perhaps one that I have overlooked)? |
We should do this eventually, but this also seems to require moving considerable parts of the C++ code, especially for |
Would this make more sense now, given that the vctrising of tibble/dplyr means that (I ran into this issue today in a small package I'm developing) Cheers! |
@jeffreypullin If it helps, there is now |
Hi Jenny thanks for that - looks very useful. Apologies for not noticing it in the docs. |
This old thread has been automatically locked. If you think you have found something related to this, please open a new issue and link to this old issue if necessary. |
I recently needed to do the equivalent of
cbind(foo = 1:3, bar)
wherebar
was atbl_df
, where I wantedfoo
to end up as the first column/variable in the resultingtbl_df
.The dplyr solutions suggested to me involved
mutate()
+select(..., everything())
orbind_cols()
, which seems to void a reason for pulling the tibbles out of that package into this one.Having this would be a nice usability boon for the pkg.
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