Miscellaneous

DataFrame.apply(function[, return_dtype, ...])	Apply a custom/user-defined function (UDF) over the rows of the DataFrame.
DataFrame.corr(**kwargs)	Return pairwise Pearson product-moment correlation coefficients between columns.
DataFrame.frame_equal(other, *[, null_equal])	Check if DataFrame is equal to other.
DataFrame.lazy()	Start a lazy query from this point.
DataFrame.map_rows(function[, return_dtype, ...])	Apply a custom/user-defined function (UDF) over the rows of the DataFrame.