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Machine Learning in Elixir: Error in Chapter 1, first code snippet of "Preparing the Data for Training" (page 13)

martincabrera

martincabrera

Machine Learning in Elixir: Error in Chapter 1, first code snippet of "Preparing the Data for Training" (page 13)

@seanmor5

The mutate macro from the Explorer.DataFrame variable does not like variables:

Screen Shot 2023-07-20 at 11.56.46
Screen Shot 2023-07-20 at 11.56.46987×484 44.8 KB

It works without the variable:

Screen Shot 2023-07-20 at 11.57.06
Screen Shot 2023-07-20 at 11.57.06953×572 41.1 KB
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seanmor5

seanmor5

Author of Genetic Algorithms in Elixir

Nice catch! This is the same as: Machine Learning in Elixir: Mutate not working, missing pin ^ (Iris example, Chapter 1)

You can use cols with the pin operator, e.g. across(^cols)

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