Hello, I recently upgraded to Julia 1.3. Before I was using df[:Column] to select a dataframe’s column, but now I get the error: Julia > Warning: getindex(df::DataFrame, col_ind::ColumnIndex)is deprecated, usedf[!, col_ind] instead. What is the current syntax for selecting a dataframe’s column on…

See DataFrames docs, this whole page is on indexing: http://juliadata.github.io/DataFrames.jl/stable/lib/indexing/#Indexing-1

[image] Release announcements for DataFrames.jl Data DataFrames.jl v0.19.0 has just been released. It is a major release towards DataFrames.jl 1.0 (we cannot get there yet as we have to go through deprecation cycle). The number of changes is significant and includes: API…

Ok, but where can I find what syntax to use? Thanks

And a short summary is, you can use the following syntax to get a column: without copying it: df.col or df[!, :col] (the second form with ! in single column selection is not really needed as you can always use df.col which is what you wanted I guess as you referred to $ in R, it is needed if you w…

Julia 1.3 selection of datafarme's column with :Col is deprecated

General Usage

Mattriks December 18, 2019, 9:10am 2

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Julia 1.3 selection of datafarme's column with :Col is deprecated

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