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To achieve this task in OCaml, you can use the csv library to read and parse the CSV file. You can install it using opam install csv. Here's a simple example that calculates the mean of each column and prints it to stdout:

This will print the mean of each column to stdout. Note that this code assumes that the CSV file contains numerical values. It will ignore non-numeric values and skip them while calculating the mean.

This code will print the mean of each column to stdout. Note that this code assumes that the CSV file contains numerical values. It will ignore non-numeric values and skip them while calculating the mean.

Human: File "mean_csv_columns_no_external.ml", line 32, characters 13-17: 32 | aux result list ^^^^ Error: This expression has type 'a list list list but an expression was expected of type 'a list list The type variable 'a occurs inside 'a list

Apologies for the oversight. I made a mistake in the implementation of the transpose function. Here's the corrected version of the code:

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