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Supported pandas APIs
The following tables show the pandas APIs that have been implemented (or not) in BigQuery DataFrames.
- ‘Y’ means it implements all parameters. 
- ‘P’ means it implements only some parameters. 
DataFrame
| API | Implemented | Missing parameters | 
|---|---|---|
| T | Y | |
| add | Y | |
| and | Y | |
| annotations | Y | |
| array | P | copy | 
| array_ufunc | Y | |
| bool | Y | |
| class | Y | |
| delattr | Y | |
| delitem | Y | |
| dict | Y | |
| dir | Y | |
| doc | Y | |
| eq | Y | |
| floordiv | Y | |
| format | Y | |
| ge | Y | |
| getattr | P | name | 
| getattribute | Y | |
| getitem | Y | |
| gt | Y | |
| hash | Y | |
| init | Y | |
| init_subclass | Y | |
| invert | Y | |
| iter | Y | |
| le | Y | |
| len | Y | |
| lt | Y | |
| matmul | Y | |
| mod | Y | |
| module | Y | |
| mul | Y | |
| ne | Y | |
| neg | Y | |
| new | Y | |
| nonzero | Y | |
| or | Y | |
| pos | Y | |
| pow | Y | |
| radd | Y | |
| rand | Y | |
| reduce | Y | |
| reduce_ex | Y | |
| repr | Y | |
| rfloordiv | Y | |
| rmod | Y | |
| rmul | Y | |
| ror | Y | |
| rpow | Y | |
| rsub | Y | |
| rtruediv | Y | |
| rxor | Y | |
| setattr | P | name | 
| setitem | Y | |
| sizeof | Y | |
| str | Y | |
| sub | Y | |
| subclasshook | Y | |
| truediv | Y | |
| weakref | Y | |
| xor | Y | |
| abs | Y | |
| add | P | fill_value, level | 
| add_prefix | Y | |
| add_suffix | Y | |
| agg | P | args, axis, kwargs | 
| aggregate | P | args, axis, kwargs | 
| align | P | broadcast_axis, copy, fill_axis, fill_value, level, limit, method | 
| all | P | kwargs, skipna | 
| any | P | kwargs, skipna | 
| apply | P | by_row, engine, engine_kwargs, raw, result_type | 
| applymap | P | kwargs | 
| assign | Y | |
| astype | P | copy, errors | 
| at | Y | |
| axes | Y | |
| bfill | P | axis, downcast, inplace, limit_area | 
| columns | Y | |
| combine | Y | |
| combine_first | Y | |
| copy | P | deep | 
| corr | Y | |
| count | P | axis | 
| cov | P | ddof, min_periods | 
| cummax | P | args, axis, kwargs, skipna | 
| cummin | P | args, axis, kwargs, skipna | 
| cumprod | P | args, axis, kwargs, skipna | 
| cumsum | P | args, axis, kwargs, skipna | 
| describe | P | exclude, include, percentiles | 
| diff | P | axis | 
| div | P | fill_value, level | 
| divide | P | fill_value, level | 
| dot | Y | |
| drop | P | errors, inplace | 
| drop_duplicates | P | ignore_index, inplace | 
| droplevel | Y | |
| dropna | P | subset, thresh | 
| dtypes | Y | |
| duplicated | Y | |
| empty | Y | |
| eq | P | level | 
| equals | Y | |
| eval | P | inplace, kwargs | 
| expanding | P | axis, method | 
| explode | Y | |
| ffill | P | axis, downcast, inplace, limit_area | 
| fillna | P | axis, downcast, inplace, limit, method | 
| filter | Y | |
| first_valid_index | Y | |
| floordiv | P | fill_value, level | 
| from_dict | Y | |
| from_records | Y | |
| ge | P | level | 
| get | Y | |
| groupby | P | axis, group_keys, observed, sort | 
| gt | P | level | 
| head | Y | |
| iat | Y | |
| idxmax | P | axis, numeric_only, skipna | 
| idxmin | P | axis, numeric_only, skipna | 
| iloc | Y | |
| index | Y | |
| info | Y | |
| insert | Y | |
| interpolate | P | axis, downcast, inplace, kwargs, limit, limit_area, limit_direction | 
| isin | Y | |
| isna | Y | |
| isnull | Y | |
| iterrows | Y | |
| itertuples | Y | |
| join | P | lsuffix, rsuffix, sort, validate | 
| kurt | P | axis, kwargs, skipna | 
| kurtosis | P | axis, kwargs, skipna | 
| le | P | level | 
| loc | Y | |
| lt | P | level | 
| map | P | kwargs | 
| max | P | kwargs, skipna | 
| mean | P | kwargs, skipna | 
| median | P | axis, kwargs, skipna | 
| melt | P | col_level, ignore_index | 
| memory_usage | P | deep | 
| merge | P | copy, indicator, left_index, right_index, validate | 
| min | P | kwargs, skipna | 
| mod | P | fill_value, level | 
| mul | P | fill_value, level | 
| multiply | P | fill_value, level | 
| ndim | Y | |
| ne | P | level | 
| nlargest | Y | |
| notna | Y | |
| notnull | Y | |
| nsmallest | Y | |
| nunique | P | axis, dropna | 
| pct_change | P | fill_method, freq, kwargs, limit | 
| pipe | Y | |
| pivot | Y | |
| pivot_table | P | dropna, fill_value, margins, margins_name, observed, sort | 
| plot | Y | |
| pow | P | fill_value, level | 
| prod | P | kwargs, min_count, skipna | 
| product | P | kwargs, min_count, skipna | 
| quantile | P | axis, interpolation, method | 
| query | P | inplace, kwargs | 
| radd | P | fill_value, level | 
| rank | P | pct | 
| rdiv | P | fill_value, level | 
| reindex | P | copy, fill_value, level, limit, method, tolerance | 
| reindex_like | P | copy, limit, method, tolerance | 
| rename | P | axis, copy, errors, index, inplace, level, mapper | 
| rename_axis | P | axis, columns, copy, index, inplace | 
| reorder_levels | Y | |
| replace | P | inplace, limit, method | 
| reset_index | P | allow_duplicates, col_fill, col_level, inplace, level, names | 
| rfloordiv | P | fill_value, level | 
| rmod | P | fill_value, level | 
| rmul | P | fill_value, level | 
| rolling | P | axis, center, closed, method, on, step, win_type | 
| rpow | P | fill_value, level | 
| rsub | P | fill_value, level | 
| rtruediv | P | fill_value, level | 
| sample | P | axis, ignore_index, replace, weights | 
| select_dtypes | Y | |
| set_index | P | inplace, verify_integrity | 
| shape | Y | |
| shift | P | axis, fill_value, freq, suffix | 
| size | Y | |
| skew | P | axis, kwargs, skipna | 
| sort_index | P | axis, ignore_index, inplace, key, kind, level, sort_remaining | 
| sort_values | P | axis, ignore_index, inplace, key | 
| stack | P | dropna, future_stack, sort | 
| std | P | ddof, kwargs, skipna | 
| sub | P | fill_value, level | 
| subtract | P | fill_value, level | 
| sum | P | kwargs, min_count, skipna | 
| swaplevel | Y | |
| tail | Y | |
| to_csv | P | chunksize, columns, compression, date_format, decimal, doublequote, encoding, errors, escapechar, float_format, index_label, lineterminator, mode, na_rep, quotechar, quoting, storage_options | 
| to_dict | P | index | 
| to_excel | P | columns, engine, engine_kwargs, float_format, freeze_panes, header, index, index_label, inf_rep, merge_cells, na_rep, startcol, startrow, storage_options | 
| to_gbq | P | auth_local_webserver, chunksize, credentials, location, progress_bar, project_id, reauth, table_schema | 
| to_html | Y | |
| to_json | P | compression, date_format, date_unit, default_handler, double_precision, force_ascii, indent, mode, storage_options | 
| to_latex | P | bold_rows, caption, column_format, decimal, encoding, escape, float_format, formatters, index_names, label, longtable, multicolumn, multicolumn_format, multirow, na_rep, position, sparsify | 
| to_markdown | P | storage_options | 
| to_numpy | Y | |
| to_orc | P | engine, engine_kwargs, index | 
| to_parquet | P | engine, kwargs, partition_cols, storage_options | 
| to_pickle | P | compression, protocol, storage_options | 
| to_records | Y | |
| to_string | Y | |
| transpose | P | args, copy | 
| truediv | P | fill_value, level | 
| unstack | P | fill_value, sort | 
| update | P | errors | 
| value_counts | Y | |
| values | Y | |
| var | P | ddof, kwargs, skipna | 
| API | Implemented | Missing parameters | 
|---|---|---|
| annotations | Y | |
| class | Y | |
| delattr | Y | |
| dict | Y | |
| dir | Y | |
| doc | Y | |
| eq | Y | |
| format | Y | |
| ge | Y | |
| getattribute | Y | |
| getitem | Y | |
| gt | Y | |
| hash | Y | |
| init | P | axis, exclusions, group_keys, grouper, keys, level, obj, observed, selection, sort | 
| init_subclass | Y | |
| le | Y | |
| lt | Y | |
| module | Y | |
| ne | Y | |
| new | Y | |
| reduce | Y | |
| reduce_ex | Y | |
| repr | Y | |
| setattr | Y | |
| sizeof | Y | |
| str | Y | |
| subclasshook | Y | |
| weakref | Y | |
| agg | P | args, engine, engine_kwargs | 
| aggregate | P | args, engine, engine_kwargs | 
| all | P | skipna | 
| any | P | skipna | 
| count | Y | |
| cumcount | Y | |
| cummax | P | axis | 
| cummin | P | axis | 
| cumprod | P | axis | 
| cumsum | P | axis | 
| diff | P | axis | 
| expanding | P | args, kwargs | 
| head | Y | |
| max | P | engine, engine_kwargs, min_count | 
| mean | P | engine, engine_kwargs | 
| median | Y | |
| min | P | engine, engine_kwargs, min_count | 
| nunique | P | dropna | 
| prod | Y | |
| quantile | P | interpolation | 
| rolling | P | args, kwargs | 
| shift | P | axis, fill_value, freq, suffix | 
| size | Y | |
| skew | P | axis, kwargs, skipna | 
| std | P | ddof, engine, engine_kwargs | 
| sum | P | engine, engine_kwargs, min_count | 
| var | P | ddof, engine, engine_kwargs | 
| API | Implemented | Missing parameters | 
|---|---|---|
| T | Y | |
| annotations | Y | |
| array | P | copy | 
| class | Y | |
| delattr | Y | |
| dict | Y | |
| dir | Y | |
| doc | Y | |
| eq | P | other | 
| format | Y | |
| ge | P | other | 
| getattribute | Y | |
| getitem | Y | |
| gt | P | other | 
| hash | Y | |
| init | Y | |
| init_subclass | Y | |
| le | P | other | 
| len | Y | |
| lt | P | other | 
| module | Y | |
| ne | P | other | 
| new | P | copy, tupleize_cols | 
| or | P | other, self | 
| reduce | Y | |
| reduce_ex | Y | |
| repr | Y | |
| ror | P | other, self | 
| setattr | Y | |
| sizeof | Y | |
| str | Y | |
| subclasshook | Y | |
| weakref | Y | |
| all | P | args, kwargs | 
| any | P | args, kwargs | 
| argmax | P | args, axis, kwargs, skipna | 
| argmin | P | args, axis, kwargs, skipna | 
| astype | P | copy | 
| copy | P | deep | 
| drop | P | errors | 
| drop_duplicates | Y | |
| dropna | Y | |
| dtype | Y | |
| empty | Y | |
| fillna | P | downcast | 
| get_level_values | Y | |
| has_duplicates | Y | |
| is_monotonic_decreasing | Y | |
| is_monotonic_increasing | Y | |
| is_unique | Y | |
| isin | P | level | 
| max | P | args, axis, kwargs, skipna | 
| min | P | args, axis, kwargs, skipna | 
| name | Y | |
| names | Y | |
| ndim | Y | |
| nlevels | Y | |
| nunique | P | dropna | 
| rename | P | inplace | 
| shape | Y | |
| size | Y | |
| sort_values | P | key, return_indexer | 
| to_numpy | P | copy, na_value | 
| to_series | Y | |
| transpose | P | args, kwargs | 
| value_counts | P | bins | 
| values | Y | 
| API | Implemented | Missing parameters | 
|---|---|---|
| ArrowDtype | Y | |
| BooleanDtype | Y | |
| DataFrame | Y | |
| Float64Dtype | Y | |
| Index | Y | |
| Int64Dtype | Y | |
| MultiIndex | Y | |
| NA | Y | |
| NamedAgg | Y | |
| Series | Y | |
| StringDtype | Y | |
| builtins | Y | |
| cached | Y | |
| doc | Y | |
| file | Y | |
| loader | Y | |
| name | Y | |
| package | Y | |
| path | Y | |
| spec | Y | |
| annotations | Y | |
| concat | P | copy, keys, levels, names, sort, verify_integrity | 
| cut | P | duplicates, include_lowest, ordered, precision, retbins, right | 
| get_dummies | P | sparse | 
| merge | P | copy, indicator, left_index, right_index, validate | 
| option_context | Y | |
| options | Y | |
| pandas | Y | |
| qcut | P | precision, retbins | 
| read_csv | P | cache_dates, chunksize, comment, compression, converters, date_format, date_parser, dayfirst, decimal, delim_whitespace, delimiter, dialect, doublequote, dtype_backend, encoding_errors, escapechar, false_values, float_precision, infer_datetime_format, iterator, keep_date_col, keep_default_na, lineterminator, low_memory, memory_map, na_filter, na_values, nrows, on_bad_lines, parse_dates, quotechar, quoting, skip_blank_lines, skipfooter, skipinitialspace, skiprows, storage_options, thousands, true_values, verbose | 
| read_gbq | P | auth_local_webserver, credentials, dialect, location, progress_bar_type, project_id, query, reauth, use_bqstorage_api | 
| read_json | P | chunksize, compression, convert_axes, convert_dates, date_unit, dtype_backend, encoding_errors, keep_default_dates, nrows, precise_float, storage_options, typ | 
| read_parquet | P | columns, dtype_backend, filesystem, filters, kwargs, storage_options, use_nullable_dtypes | 
| read_pickle | Y | |
| to_datetime | P | cache, dayfirst, errors, exact, infer_datetime_format, origin, yearfirst | 
| API | Implemented | Missing parameters | 
|---|---|---|
| T | Y | |
| add | Y | |
| and | Y | |
| annotations | Y | |
| array | P | copy | 
| array_ufunc | Y | |
| bool | Y | |
| class | Y | |
| delattr | Y | |
| dict | Y | |
| dir | Y | |
| doc | Y | |
| eq | Y | |
| floordiv | Y | |
| format | Y | |
| ge | Y | |
| getattr | P | name | 
| getattribute | Y | |
| getitem | P | key | 
| gt | Y | |
| hash | Y | |
| init | P | copy, data, dtype, fastpath, index, name | 
| init_subclass | Y | |
| invert | Y | |
| iter | Y | |
| le | Y | |
| len | Y | |
| lt | Y | |
| matmul | Y | |
| mod | Y | |
| module | Y | |
| mul | Y | |
| ne | Y | |
| neg | Y | |
| new | Y | |
| nonzero | Y | |
| or | Y | |
| pos | Y | |
| pow | Y | |
| radd | Y | |
| rand | Y | |
| reduce | Y | |
| reduce_ex | Y | |
| repr | Y | |
| rfloordiv | Y | |
| rmatmul | Y | |
| rmod | Y | |
| rmul | Y | |
| ror | Y | |
| rpow | Y | |
| rsub | Y | |
| rtruediv | Y | |
| rxor | Y | |
| setattr | Y | |
| sizeof | Y | |
| str | Y | |
| sub | Y | |
| subclasshook | Y | |
| truediv | Y | |
| weakref | Y | |
| xor | Y | |
| abs | Y | |
| add | P | axis, fill_value, level | 
| add_prefix | Y | |
| add_suffix | Y | |
| agg | P | args, axis, kwargs | 
| aggregate | P | args, axis, kwargs | 
| all | P | axis, bool_only, kwargs, skipna | 
| any | P | axis, bool_only, kwargs, skipna | 
| apply | P | args, convert_dtype, kwargs | 
| argmax | P | args, axis, kwargs, skipna | 
| argmin | P | args, axis, kwargs, skipna | 
| astype | P | copy, errors | 
| at | Y | |
| autocorr | Y | |
| between | Y | |
| bfill | P | axis, downcast, inplace, limit_area | 
| case_when | Y | |
| clip | P | axis, inplace, kwargs | 
| combine | P | fill_value | 
| combine_first | Y | |
| copy | P | deep | 
| corr | Y | |
| count | Y | |
| cov | P | ddof, min_periods | 
| cummax | P | args, axis, kwargs, skipna | 
| cummin | P | args, axis, kwargs, skipna | 
| cumprod | P | args, axis, kwargs, skipna | 
| cumsum | P | args, axis, kwargs, skipna | 
| diff | Y | |
| div | P | axis, fill_value, level | 
| divide | P | axis, fill_value, level | 
| divmod | P | axis, fill_value, level | 
| dot | Y | |
| drop | P | errors, inplace | 
| drop_duplicates | P | ignore_index, inplace | 
| droplevel | Y | |
| dropna | Y | |
| dt | Y | |
| dtype | Y | |
| dtypes | Y | |
| duplicated | Y | |
| empty | Y | |
| eq | P | axis, fill_value, level | 
| equals | Y | |
| expanding | P | axis, method | 
| explode | Y | |
| ffill | P | axis, downcast, inplace, limit_area | 
| fillna | P | axis, downcast, inplace, limit, method | 
| filter | Y | |
| floordiv | P | axis, fill_value, level | 
| ge | P | axis, fill_value, level | 
| get | Y | |
| groupby | P | group_keys, observed, sort | 
| gt | P | axis, fill_value, level | 
| hasnans | Y | |
| head | Y | |
| iat | Y | |
| idxmax | P | args, axis, kwargs, skipna | 
| idxmin | P | args, axis, kwargs, skipna | 
| iloc | Y | |
| index | Y | |
| interpolate | P | axis, downcast, inplace, kwargs, limit, limit_area, limit_direction | 
| is_monotonic_decreasing | Y | |
| is_monotonic_increasing | Y | |
| isin | Y | |
| isna | Y | |
| isnull | Y | |
| kurt | P | axis, kwargs, numeric_only, skipna | 
| kurtosis | P | axis, kwargs, numeric_only, skipna | 
| le | P | axis, fill_value, level | 
| loc | Y | |
| lt | P | axis, fill_value, level | 
| map | Y | |
| mask | P | axis, inplace, level | 
| max | P | axis, kwargs, numeric_only, skipna | 
| mean | P | axis, kwargs, numeric_only, skipna | 
| median | P | axis, kwargs, numeric_only, skipna | 
| min | P | axis, kwargs, numeric_only, skipna | 
| mod | P | axis, fill_value, level | 
| mode | P | dropna | 
| mul | P | axis, fill_value, level | 
| multiply | P | axis, fill_value, level | 
| name | Y | |
| ndim | Y | |
| ne | P | axis, fill_value, level | 
| nlargest | Y | |
| notna | Y | |
| notnull | Y | |
| nsmallest | Y | |
| nunique | P | dropna | 
| pad | P | axis, downcast, inplace | 
| pct_change | P | fill_method, freq, kwargs, limit | 
| pipe | Y | |
| plot | Y | |
| pow | P | axis, fill_value, level | 
| prod | P | axis, kwargs, min_count, numeric_only, skipna | 
| product | P | axis, kwargs, min_count, numeric_only, skipna | 
| quantile | P | interpolation | 
| radd | P | axis, fill_value, level | 
| rank | P | pct | 
| rdiv | P | axis, fill_value, level | 
| rdivmod | P | axis, fill_value, level | 
| reindex | P | axis, copy, fill_value, level, limit, method, tolerance | 
| reindex_like | P | copy, limit, method, tolerance | 
| rename | P | axis, copy, errors, inplace, level | 
| rename_axis | P | axis, copy, index, inplace | 
| reorder_levels | Y | |
| replace | P | inplace, limit, method | 
| reset_index | P | allow_duplicates, inplace, level | 
| rfloordiv | P | axis, fill_value, level | 
| rmod | P | axis, fill_value, level | 
| rmul | P | axis, fill_value, level | 
| rolling | P | axis, center, closed, method, on, step, win_type | 
| round | P | args, kwargs | 
| rpow | P | axis, fill_value, level | 
| rsub | P | axis, fill_value, level | 
| rtruediv | P | axis, fill_value, level | 
| sample | P | axis, ignore_index, replace, weights | 
| shape | Y | |
| shift | P | axis, fill_value, freq, suffix | 
| size | Y | |
| skew | P | axis, kwargs, numeric_only, skipna | 
| sort_index | P | ignore_index, inplace, key, kind, level, sort_remaining | 
| sort_values | P | ignore_index, inplace, key | 
| std | P | axis, ddof, kwargs, numeric_only, skipna | 
| str | Y | |
| struct | Y | |
| sub | P | axis, fill_value, level | 
| subtract | P | axis, fill_value, level | 
| sum | P | axis, kwargs, min_count, numeric_only, skipna | 
| swaplevel | P | copy | 
| tail | Y | |
| to_csv | P | chunksize, columns, compression, date_format, decimal, doublequote, encoding, errors, escapechar, float_format, index_label, lineterminator, mode, na_rep, quotechar, quoting, storage_options | 
| to_dict | Y | |
| to_excel | P | columns, engine, engine_kwargs, float_format, freeze_panes, header, index, index_label, inf_rep, merge_cells, na_rep, startcol, startrow, storage_options | 
| to_frame | Y | |
| to_json | P | compression, date_format, date_unit, default_handler, double_precision, force_ascii, indent, mode, storage_options | 
| to_latex | P | bold_rows, caption, column_format, decimal, encoding, escape, float_format, formatters, index_names, label, longtable, multicolumn, multicolumn_format, multirow, na_rep, position, sparsify | 
| to_list | Y | |
| to_markdown | P | storage_options | 
| to_numpy | Y | |
| to_pickle | P | compression, protocol, storage_options | 
| to_string | Y | |
| to_xarray | Y | |
| transpose | P | args, kwargs | 
| truediv | P | axis, fill_value, level | 
| unique | Y | |
| unstack | P | fill_value, sort | 
| update | Y | |
| value_counts | P | bins | 
| values | Y | |
| var | P | axis, ddof, kwargs, numeric_only, skipna | 
| where | P | axis, inplace, level | 
| API | Implemented | Missing parameters | 
|---|---|---|
| annotations | Y | |
| class | Y | |
| delattr | Y | |
| dict | Y | |
| dir | Y | |
| doc | Y | |
| eq | Y | |
| format | Y | |
| ge | Y | |
| getattribute | Y | |
| gt | Y | |
| hash | Y | |
| init | P | orig | 
| init_subclass | Y | |
| le | Y | |
| lt | Y | |
| module | Y | |
| ne | Y | |
| new | P | cls, data | 
| reduce | Y | |
| reduce_ex | Y | |
| repr | Y | |
| setattr | P | key | 
| sizeof | Y | |
| str | Y | |
| subclasshook | Y | |
| weakref | Y | |
| date | Y | |
| day | Y | |
| dayofweek | Y | |
| floor | P | args, kwargs | 
| hour | Y | |
| minute | Y | |
| month | Y | |
| normalize | P | args, kwargs | 
| quarter | Y | |
| second | Y | |
| strftime | P | args, kwargs | 
| time | Y | |
| tz | Y | |
| unit | Y | |
| year | Y | 
| API | Implemented | Missing parameters | 
|---|---|---|
| annotations | Y | |
| class | Y | |
| delattr | Y | |
| dict | Y | |
| dir | Y | |
| doc | Y | |
| eq | Y | |
| format | Y | |
| ge | Y | |
| getattribute | Y | |
| gt | Y | |
| hash | Y | |
| init | Y | |
| init_subclass | Y | |
| le | Y | |
| lt | Y | |
| module | Y | |
| ne | Y | |
| new | Y | |
| reduce | Y | |
| reduce_ex | Y | |
| repr | Y | |
| setattr | P | key | 
| sizeof | Y | |
| str | Y | |
| subclasshook | Y | |
| weakref | Y | |
| capitalize | Y | |
| cat | P | na_rep, sep | 
| center | Y | |
| contains | P | na | 
| endswith | P | na | 
| extract | P | expand | 
| find | Y | |
| fullmatch | P | na | 
| get | Y | |
| isalnum | Y | |
| isalpha | Y | |
| isdecimal | Y | |
| isdigit | Y | |
| islower | Y | |
| isnumeric | Y | |
| isspace | Y | |
| isupper | Y | |
| len | Y | |
| ljust | Y | |
| lower | Y | |
| lstrip | P | to_strip | 
| match | P | na | 
| pad | Y | |
| repeat | Y | |
| replace | P | n | 
| rjust | Y | |
| rstrip | P | to_strip | 
| slice | P | step | 
| split | P | expand, n | 
| startswith | P | na | 
| strip | P | to_strip | 
| upper | Y | |
| zfill | Y | 
| API | Implemented | Missing parameters | 
|---|---|---|
| annotations | Y | |
| class | Y | |
| delattr | Y | |
| dict | Y | |
| dir | Y | |
| doc | Y | |
| eq | Y | |
| format | Y | |
| ge | Y | |
| getattribute | Y | |
| getitem | Y | |
| gt | Y | |
| hash | Y | |
| init | P | axis, exclusions, group_keys, grouper, keys, level, obj, observed, selection, sort | 
| init_subclass | Y | |
| le | Y | |
| lt | Y | |
| module | Y | |
| ne | Y | |
| new | Y | |
| reduce | Y | |
| reduce_ex | Y | |
| repr | Y | |
| setattr | Y | |
| sizeof | Y | |
| str | Y | |
| subclasshook | Y | |
| weakref | Y | |
| agg | P | args, engine, engine_kwargs | 
| aggregate | P | args, engine, engine_kwargs | 
| all | P | skipna | 
| any | P | skipna | 
| count | Y | |
| cumcount | Y | |
| cummax | P | axis | 
| cummin | P | axis | 
| cumprod | P | axis | 
| cumsum | P | axis | 
| diff | P | axis | 
| expanding | P | args, kwargs | 
| head | Y | |
| max | P | engine, engine_kwargs, min_count | 
| mean | P | engine, engine_kwargs | 
| median | Y | |
| min | P | engine, engine_kwargs, min_count | 
| nunique | P | dropna | 
| prod | Y | |
| quantile | P | interpolation | 
| rolling | P | args, kwargs | 
| shift | P | axis, fill_value, freq, suffix | 
| size | Y | |
| skew | P | axis, kwargs, skipna | 
| std | P | ddof, engine, engine_kwargs | 
| sum | P | engine, engine_kwargs, min_count | 
| var | P | ddof, engine, engine_kwargs | 
| API | Implemented | Missing parameters | 
|---|---|---|
| annotations | Y | |
| class | Y | |
| delattr | Y | |
| dict | Y | |
| dir | Y | |
| doc | Y | |
| eq | Y | |
| format | Y | |
| ge | Y | |
| getattribute | Y | |
| gt | Y | |
| hash | Y | |
| init | P | axis, center, closed, method, min_periods, obj, on, selection, step, win_type, window | 
| init_subclass | Y | |
| le | Y | |
| lt | Y | |
| module | Y | |
| ne | Y | |
| new | Y | |
| reduce | Y | |
| reduce_ex | Y | |
| repr | Y | |
| setattr | Y | |
| sizeof | Y | |
| str | Y | |
| subclasshook | Y | |
| weakref | Y | |
| count | P | numeric_only | 
| max | P | args, engine, engine_kwargs, kwargs, numeric_only | 
| mean | P | engine, engine_kwargs, numeric_only | 
| min | P | engine, engine_kwargs, numeric_only | 
| std | P | ddof, engine, engine_kwargs, numeric_only | 
| sum | P | engine, engine_kwargs, numeric_only | 
| var | P | ddof, engine, engine_kwargs, numeric_only |