Columns having NaN values

[hmente]

There are columns having NaN values.

• veil-type 94.797688
• spore-print-color 89.595376
• veil-color 87.861272
• stem-root 84.393064
• stem-surface 62.427746
• gill-spacing 41.040462
• cap-surface 23.121387
• gill-attachment 16.184971
• ring-type 4.046243

This makes it challenging to understand or accurately analyze the data and, as a result, results in inaccurate results or may lead to overfitting.

[hmente]

1. Dropping columns with too many missing values (more than 80%)
2. Filling missing values with the most frequent value in the remaining columns