svorka poštovné Aj agresívne how to calculate mean with nan values Sú známe súd fotografie
Find Mean Absolute Deviation using mad() function in pandas | Pythontic.com
Replace NA Values by Row Mean in R | Exchange & Substitute Missings
python - Replacing nan values in one column with mean of same column ( not Null values of column) where other columns have certain values - Stack Overflow
How to fill NAN values with mean in Pandas? - GeeksforGeeks