Reshape data from long to wide format
Create a pivot table from DataFrame
Read a CSV file into a DataFrame
Unpivot DataFrame from wide to long format
pd.melt
pd.melt() transforms columns into rows, useful for tidy data format.
Melt selected columns into rows
pd.melt(df, id_vars=["id"], value_vars=["col1", "col2"])
View the first few rows of a DataFrame
Get concise summary of DataFrame
Group DataFrame using one or more columns