loc phat 88 8 loc retrieves only the rows that matches the condition. where returns the whole dataframe, replacing the rows that don't match the condition (NaN by default)..
blue lock ảnh anime nam đá bóng df1.loc[idx, col] = newValue # always succeeds: entry is modified in place The key word above is single: the following alternatives use "chained indexing" in Pandas terminology.
blue lock ảnh anime nam đá bóng i want to have 2 conditions in the loc function but the && or and operators dont seem to work.: df: business_id ratings review_text xyz 2 'very bad' xyz 1 '