Python vs. R for Data Science

[cm_yijirr]

https://www.codementor.io/python/tutorial/python-vs-r-for-data-science-data-frames-i

[JupiterMoon]

This has at least one basic error. It recommends chained indexing to index pandas DataFrames by row and column this does not have clearly defined behaviour and is specifically warned against in the pandas docs.

[pvaldes]

And there is also this strange line of R code.

colnames(existing_df) <- new_col_names

The author probably wanted to say instead:

colnames(existing_df) <- new_col_names;