Bogumił Kamiński
Bogumił Kamiński
Yes - we can consider adding `hvcat` in the next release.
``` julia> vcat(DataFrame(a=1:2,b=1:2), DataFrame(a=3:4,b=3:4), source = :c => [ "df1", "df2" ]) 4×3 DataFrame Row │ a b c │ Int64 Int64 String ─────┼────────────────────── 1 │ 1 1 df1 2...
This is the intended way to do it: ``` julia> combine(df, [:a, :b] .=> myextrema .=> x -> x .* ["_min", "_max"]) 1×4 DataFrame Row │ a_min a_max b_min b_max...
1. It is documented that to produce multiple columns you have to either pass `AsTable` or a vector of column names. 2. It is documented that you can auto-generate the...
There is an example in the docstring. https://dataframes.juliadata.org/stable/lib/functions/#DataFrames.combine. We could add also something in the intro manual. Could you propose something that you would find most useful?
https://bkamins.github.io/julialang/2024/03/22/minicontainers.html
See #3433 for an update of the manual. Of course please comment if something is not clear or should be improved.
This is what I thought. The only problem is that when you quote them then you might need to escape something in the quotes (as in the last example with...
Frankly - for reading I would never create a missing when reading a `String` but leave as is and let the user decide what to do. It is perfectly possible...
Good point - if all is quoted and only `NA` is unquoted this a clear way do distinguish it. This is what `write.csv` in R does (although then `read.csv` reads...