trim_frequencies(input: category|list[category], {
    "param": value,
    ...
}) -> (output: column)

Affected categories are replaced with the missing value (NaN).

trim_frequencies(input: category|list[category], {
    "param": value,
    ...
}) -> (output: column)
​
n_most_common
[integer, null]

The number N indicating how many of the most common values to filter (in descending order).

Values must be in the following range:

0 ≤ n_most_common < inf
​
freq_min
[integer, null]

Values with a lower frequency (count) than this will be removed.

Values must be in the following range:

1 ≤ freq_min < inf
​
freq_max
[integer, null]

Values with a higher frequency (count) than this will be removed.

Values must be in the following range:

1 ≤ freq_max < inf

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