id
stringlengths
16
145
text
stringlengths
1
179k
title
stringclasses
1 value
polar_functions/LazyFrame_77_0.txt
Skip to main content __ Back to top __ ` Ctrl ` \+ ` K ` [ ![Logo image](https://raw.githubusercontent.com/pola-rs/polars- static/master/logos/polars-logo-dark-medium.png) ](../../../index.html) Site Navigation * [ Python API reference ](../../index.html) * [ User guide ](https://docs.pola.rs/user-guide/) *...
polar_functions/Function_5_20.txt
lars.Expr.interpolate ](../expressions/api/polars.Expr.interpolate.html) * [ polars.Expr.limit ](../expressions/api/polars.Expr.limit.html) * [ polars.Expr.lower_bound ](../expressions/api/polars.Expr.lower_bound.html) * [ polars.Expr.map_dict ](../expressions/api/polars.Expr.map_dict.html) * [ ...
polar_functions/DataType_7_26.txt
amespace ](polars.api.register_expr_namespace.html) * [ polars.api.register_dataframe_namespace ](polars.api.register_dataframe_namespace.html) * [ polars.api.register_lazyframe_namespace ](polars.api.register_lazyframe_namespace.html) * [ polars.api.register_series_namespace ](polars.api.register_series_na...
polar_functions/input_output_27_21.txt
.name.prefix ](../expressions/api/polars.Expr.name.prefix.html) * [ polars.Expr.name.suffix ](../expressions/api/polars.Expr.name.suffix.html) * [ polars.Expr.name.to_lowercase ](../expressions/api/polars.Expr.name.to_lowercase.html) * [ polars.Expr.name.to_uppercase ](../expressions/api/polars.Expr.n...
polar_functions/LazyFrame_44_18.txt
eat.html) * [ polars.rolling_corr ](../../expressions/api/polars.rolling_corr.html) * [ polars.rolling_cov ](../../expressions/api/polars.rolling_cov.html) * [ polars.select ](../../expressions/api/polars.select.html) * [ polars.std ](../../expressions/api/polars.std.html) * [ polars.struc...
polar_functions/Expression_21_13.txt
ies.struct.unnest ](../../series/api/polars.Series.struct.unnest.html) * [ polars.Series.struct.fields ](../../series/api/polars.Series.struct.fields.html) * [ polars.Series.struct.schema ](../../series/api/polars.Series.struct.schema.html) * [ Temporal ](../../series/temporal.html) __ * [ polars....
polar_functions/Expression_36_18.txt
polars.Expr.list.diff.html) * [ polars.Expr.list.eval ](polars.Expr.list.eval.html) * [ polars.Expr.list.explode ](polars.Expr.list.explode.html) * [ polars.Expr.list.first ](polars.Expr.list.first.html) * [ polars.Expr.list.gather ](polars.Expr.list.gather.html) * [ polars.Expr.list.get ]...
polar_functions/Expression_64_13.txt
ies.struct.unnest ](../../series/api/polars.Series.struct.unnest.html) * [ polars.Series.struct.fields ](../../series/api/polars.Series.struct.fields.html) * [ polars.Series.struct.schema ](../../series/api/polars.Series.struct.schema.html) * [ Temporal ](../../series/temporal.html) __ * [ polars....
polar_functions/LazyFrame_73_17.txt
i/polars.arctan2.html) * [ polars.arctan2d ](../../expressions/api/polars.arctan2d.html) * [ polars.arg_sort_by ](../../expressions/api/polars.arg_sort_by.html) * [ polars.arg_where ](../../expressions/api/polars.arg_where.html) * [ polars.business_day_count ](../../expressions/api/polars.busine...
polar_functions/Expression_15_8.txt
eries.log10 ](../../series/api/polars.Series.log10.html) * [ polars.Series.log1p ](../../series/api/polars.Series.log1p.html) * [ polars.Series.map_dict ](../../series/api/polars.Series.map_dict.html) * [ polars.Series.pct_change ](../../series/api/polars.Series.pct_change.html) * [ polars.Serie...
polar_functions/DataType_22_17.txt
rs.concat_list ](../expressions/api/polars.concat_list.html) * [ polars.concat_str ](../expressions/api/polars.concat_str.html) * [ polars.corr ](../expressions/api/polars.corr.html) * [ polars.count ](../expressions/api/polars.count.html) * [ polars.cov ](../expressions/api/polars.cov.html) ...
polar_functions/input_output_30_9.txt
polars.Series.to_list ](../series/api/polars.Series.to_list.html) * [ polars.Series.to_numpy ](../series/api/polars.Series.to_numpy.html) * [ polars.Series.to_pandas ](../series/api/polars.Series.to_pandas.html) * [ polars.Series.to_init_repr ](../series/api/polars.Series.to_init_repr.html) * [ Li...
polar_functions/LazyFrame_27_5.txt
* [ polars.LazyFrame.select ](polars.LazyFrame.select.html) * [ polars.LazyFrame.select_seq ](polars.LazyFrame.select_seq.html) * [ polars.LazyFrame.set_sorted ](polars.LazyFrame.set_sorted.html) * [ polars.LazyFrame.shift ](polars.LazyFrame.shift.html) * [ polars.LazyFrame.shift_and_fill ...
polar_functions/LazyFrame_71_26.txt
../api/polars.Config.set_auto_structify.html) * [ polars.Config.set_decimal_separator ](../../api/polars.Config.set_decimal_separator.html) * [ polars.Config.set_float_precision ](../../api/polars.Config.set_float_precision.html) * [ polars.Config.set_fmt_float ](../../api/polars.Config.set_fmt_float.html) ...
polar_functions/DataType_7_7.txt
/series/api/polars.Series.cat.set_ordering.html) * [ polars.Series.cat.to_local ](../series/api/polars.Series.cat.to_local.html) * [ polars.Series.cat.uses_lexical_ordering ](../series/api/polars.Series.cat.uses_lexical_ordering.html) * [ Computation ](../series/computation.html) __ * [ polars.Ser...
polar_functions/DataType_21_26.txt
espace ](polars.api.register_expr_namespace.html) * [ polars.api.register_dataframe_namespace ](polars.api.register_dataframe_namespace.html) * [ polars.api.register_lazyframe_namespace ](polars.api.register_lazyframe_namespace.html) * [ polars.api.register_series_namespace ](polars.api.register_series_name...
polar_functions/Function_15_23.txt
* [ polars.Expr.dt.day ](../expressions/api/polars.Expr.dt.day.html) * [ polars.Expr.dt.days ](../expressions/api/polars.Expr.dt.days.html) * [ polars.Expr.dt.dst_offset ](../expressions/api/polars.Expr.dt.dst_offset.html) * [ polars.Expr.dt.epoch ](../expressions/api/polars.Expr.dt.epoch.html) ...
polar_functions/LazyFrame_31_13.txt
ries.dt.microsecond.html) * [ polars.Series.dt.microseconds ](../../series/api/polars.Series.dt.microseconds.html) * [ polars.Series.dt.millennium ](../../series/api/polars.Series.dt.millennium.html) * [ polars.Series.dt.millisecond ](../../series/api/polars.Series.dt.millisecond.html) * [ polar...
polar_functions/LazyFrame_67_23.txt
) * [ polars.Expr.str.to_uppercase ](../../expressions/api/polars.Expr.str.to_uppercase.html) * [ polars.Expr.str.zfill ](../../expressions/api/polars.Expr.str.zfill.html) * [ Struct ](../../expressions/struct.html) __ * [ polars.Expr.struct.field ](../../expressions/api/polars.Expr.struct.field.h...
polar_functions/LazyFrame_39_9.txt
/api/polars.Series.list.arg_min.html) * [ polars.Series.list.concat ](../../series/api/polars.Series.list.concat.html) * [ polars.Series.list.contains ](../../series/api/polars.Series.list.contains.html) * [ polars.Series.list.count_match ](../../series/api/polars.Series.list.count_match.html) *...
polar_functions/Expression_34_20.txt
](polars.Expr.add.html) * [ polars.Expr.floordiv ](polars.Expr.floordiv.html) * [ polars.Expr.mod ](polars.Expr.mod.html) * [ polars.Expr.mul ](polars.Expr.mul.html) * [ polars.Expr.neg ](polars.Expr.neg.html) * [ polars.Expr.sub ](polars.Expr.sub.html) * [ polars.Expr.truediv ](pola...
polar_functions/LazyFrame_12_15.txt
lars.Expr.is_in ](../../expressions/api/polars.Expr.is_in.html) * [ polars.Expr.is_infinite ](../../expressions/api/polars.Expr.is_infinite.html) * [ polars.Expr.is_last ](../../expressions/api/polars.Expr.is_last.html) * [ polars.Expr.is_last_distinct ](../../expressions/api/polars.Expr.is_last_disti...
polar_functions/Function_9_7.txt
/series/api/polars.Series.cat.set_ordering.html) * [ polars.Series.cat.to_local ](../series/api/polars.Series.cat.to_local.html) * [ polars.Series.cat.uses_lexical_ordering ](../series/api/polars.Series.cat.uses_lexical_ordering.html) * [ Computation ](../series/computation.html) __ * [ polars.Ser...
polar_functions/input_output_7_8.txt
api/polars.Series.rolling_min.html) * [ polars.Series.rolling_quantile ](../series/api/polars.Series.rolling_quantile.html) * [ polars.Series.rolling_skew ](../series/api/polars.Series.rolling_skew.html) * [ polars.Series.rolling_std ](../series/api/polars.Series.rolling_std.html) * [ polars.Ser...
polar_functions/LazyFrame_46_17.txt
ons/api/polars.arctan2.html) * [ polars.arctan2d ](../../expressions/api/polars.arctan2d.html) * [ polars.arg_sort_by ](../../expressions/api/polars.arg_sort_by.html) * [ polars.arg_where ](../../expressions/api/polars.arg_where.html) * [ polars.business_day_count ](../../expressions/api/polars....
polar_functions/DataType_26_23.txt
* [ polars.Expr.dt.day ](../expressions/api/polars.Expr.dt.day.html) * [ polars.Expr.dt.days ](../expressions/api/polars.Expr.dt.days.html) * [ polars.Expr.dt.dst_offset ](../expressions/api/polars.Expr.dt.dst_offset.html) * [ polars.Expr.dt.epoch ](../expressions/api/polars.Expr.dt.epoch.html) ...
polar_functions/Function_1_7.txt
/series/api/polars.Series.cat.set_ordering.html) * [ polars.Series.cat.to_local ](../series/api/polars.Series.cat.to_local.html) * [ polars.Series.cat.uses_lexical_ordering ](../series/api/polars.Series.cat.uses_lexical_ordering.html) * [ Computation ](../series/computation.html) __ * [ polars.Ser...
polar_functions/DataType_1_10.txt
er_every.html) * [ Manipulation/selection ](../series/modify_select.html) __ * [ polars.Series.alias ](../series/api/polars.Series.alias.html) * [ polars.Series.append ](../series/api/polars.Series.append.html) * [ polars.Series.arg_sort ](../series/api/polars.Series.arg_sort.html) * [ polar...
polar_functions/input_output_11_12.txt
[ polars.Series.str.split ](../series/api/polars.Series.str.split.html) * [ polars.Series.str.split_exact ](../series/api/polars.Series.str.split_exact.html) * [ polars.Series.str.splitn ](../series/api/polars.Series.str.splitn.html) * [ polars.Series.str.starts_with ](../series/api/polars.Series.str...
polar_functions/LazyFrame_67_8.txt
olars.Series.sqrt.html) * [ polars.Series.tan ](../../series/api/polars.Series.tan.html) * [ polars.Series.tanh ](../../series/api/polars.Series.tanh.html) * [ Descriptive ](../../series/descriptive.html) __ * [ polars.Series.chunk_lengths ](../../series/api/polars.Series.chunk_lengths.html) ...
polar_functions/LazyFrame_64_13.txt
Series.dt.microsecond.html) * [ polars.Series.dt.microseconds ](../../series/api/polars.Series.dt.microseconds.html) * [ polars.Series.dt.millennium ](../../series/api/polars.Series.dt.millennium.html) * [ polars.Series.dt.millisecond ](../../series/api/polars.Series.dt.millisecond.html) * [ pol...
polar_functions/Expression_3_24.txt
tml) * [ polars.Config.set_tbl_hide_column_data_types ](../../api/polars.Config.set_tbl_hide_column_data_types.html) * [ polars.Config.set_tbl_hide_column_names ](../../api/polars.Config.set_tbl_hide_column_names.html) * [ polars.Config.set_tbl_hide_dataframe_shape ](../../api/polars.Config.set_tbl_hide_dat...
polar_functions/LazyFrame_1_12.txt
olars.Series.str.starts_with.html) * [ polars.Series.str.strip ](../../series/api/polars.Series.str.strip.html) * [ polars.Series.str.strip_chars ](../../series/api/polars.Series.str.strip_chars.html) * [ polars.Series.str.strip_chars_start ](../../series/api/polars.Series.str.strip_chars_start.html) ...
polar_functions/LazyFrame_52_4.txt
* [ polars.lazyframe.group_by.LazyGroupBy.agg ](polars.lazyframe.group_by.LazyGroupBy.agg.html) * [ polars.lazyframe.group_by.LazyGroupBy.all ](polars.lazyframe.group_by.LazyGroupBy.all.html) * [ polars.lazyframe.group_by.LazyGroupBy.apply ](polars.lazyframe.group_by.LazyGroupBy.apply.html) * [ po...
polar_functions/input_output_12_16.txt
tml) * [ polars.Expr.ewm_var ](../expressions/api/polars.Expr.ewm_var.html) * [ polars.Expr.exp ](../expressions/api/polars.Expr.exp.html) * [ polars.Expr.hash ](../expressions/api/polars.Expr.hash.html) * [ polars.Expr.hist ](../expressions/api/polars.Expr.hist.html) * [ polars.Expr.kurto...
polar_functions/Expression_4_8.txt
eries.log10 ](../../series/api/polars.Series.log10.html) * [ polars.Series.log1p ](../../series/api/polars.Series.log1p.html) * [ polars.Series.map_dict ](../../series/api/polars.Series.map_dict.html) * [ polars.Series.pct_change ](../../series/api/polars.Series.pct_change.html) * [ polars.Serie...
polar_functions/Expression_4_1.txt
l_count ](../../dataframe/api/polars.DataFrame.null_count.html) * [ Export ](../../dataframe/export.html) __ * [ polars.DataFrame.__dataframe__ ](../../dataframe/api/polars.DataFrame.__dataframe__.html) * [ polars.DataFrame.to_arrow ](../../dataframe/api/polars.DataFrame.to_arrow.html) * [ polars....
polar_functions/Function_4_15.txt
olars.Expr.is_infinite.html) * [ polars.Expr.is_last ](../expressions/api/polars.Expr.is_last.html) * [ polars.Expr.is_last_distinct ](../expressions/api/polars.Expr.is_last_distinct.html) * [ polars.Expr.is_nan ](../expressions/api/polars.Expr.is_nan.html) * [ polars.Expr.is_not ](../expression...
polar_functions/input_output_10_0.txt
Skip to main content __ Back to top __ ` Ctrl ` \+ ` K ` [ ![Logo image](https://raw.githubusercontent.com/pola-rs/polars- static/master/logos/polars-logo-dark-medium.png) ](../../index.html) Site Navigation * [ Python API reference ](../index.html) * [ User guide ](https://docs.pola.rs/user-guide/) * [ __ ...
polar_functions/LazyFrame_61_18.txt
tml) * [ polars.rolling_corr ](../../expressions/api/polars.rolling_corr.html) * [ polars.rolling_cov ](../../expressions/api/polars.rolling_cov.html) * [ polars.select ](../../expressions/api/polars.select.html) * [ polars.std ](../../expressions/api/polars.std.html) * [ polars.struct ](....
polar_functions/Expression_57_1.txt
l_count ](../../dataframe/api/polars.DataFrame.null_count.html) * [ Export ](../../dataframe/export.html) __ * [ polars.DataFrame.__dataframe__ ](../../dataframe/api/polars.DataFrame.__dataframe__.html) * [ polars.DataFrame.to_arrow ](../../dataframe/api/polars.DataFrame.to_arrow.html) * [ polars....
polar_functions/input_output_10_4.txt
* [ polars.lazyframe.group_by.LazyGroupBy.all ](../lazyframe/api/polars.lazyframe.group_by.LazyGroupBy.all.html) * [ polars.lazyframe.group_by.LazyGroupBy.apply ](../lazyframe/api/polars.lazyframe.group_by.LazyGroupBy.apply.html) * [ polars.lazyframe.group_by.LazyGroupBy.count ](../lazyframe/api/polars.lazy...
polar_functions/LazyFrame_65_0.txt
Skip to main content __ Back to top __ ` Ctrl ` \+ ` K ` [ ![Logo image](https://raw.githubusercontent.com/pola-rs/polars- static/master/logos/polars-logo-dark-medium.png) ](../../../index.html) Site Navigation * [ Python API reference ](../../index.html) * [ User guide ](https://docs.pola.rs/user-guide/) *...
polar_functions/LazyFrame_64_25.txt
polars.datatypes.List.html) * [ polars.datatypes.Struct ](../../api/polars.datatypes.Struct.html) * [ polars.datatypes.String ](../../api/polars.datatypes.String.html) * [ polars.datatypes.Categorical ](../../api/polars.datatypes.Categorical.html) * [ polars.datatypes.Enum ](../../api/polars.datatypes.E...
polar_functions/LazyFrame_59_6.txt
* [ polars.Series.arr.n_unique ](../../series/api/polars.Series.arr.n_unique.html) * [ polars.Series.arr.var ](../../series/api/polars.Series.arr.var.html) * [ polars.Series.arr.all ](../../series/api/polars.Series.arr.all.html) * [ polars.Series.arr.any ](../../series/api/polars.Series.arr.any.html) ...
polar_functions/LazyFrame_70_3.txt
/dataframe/api/polars.DataFrame.set_sorted.html) * [ polars.DataFrame.shift ](../../dataframe/api/polars.DataFrame.shift.html) * [ polars.DataFrame.shift_and_fill ](../../dataframe/api/polars.DataFrame.shift_and_fill.html) * [ polars.DataFrame.shrink_to_fit ](../../dataframe/api/polars.DataFrame.shrin...
polar_functions/LazyFrame_19_22.txt
./expressions/api/polars.Expr.str.explode.html) * [ polars.Expr.str.extract ](../../expressions/api/polars.Expr.str.extract.html) * [ polars.Expr.str.extract_all ](../../expressions/api/polars.Expr.str.extract_all.html) * [ polars.Expr.str.extract_groups ](../../expressions/api/polars.Expr.str.extract...
polar_functions/LazyFrame_6_13.txt
s.dt.microsecond.html) * [ polars.Series.dt.microseconds ](../../series/api/polars.Series.dt.microseconds.html) * [ polars.Series.dt.millennium ](../../series/api/polars.Series.dt.millennium.html) * [ polars.Series.dt.millisecond ](../../series/api/polars.Series.dt.millisecond.html) * [ polars.S...
polar_functions/LazyFrame_60_8.txt
/polars.Series.sqrt.html) * [ polars.Series.tan ](../../series/api/polars.Series.tan.html) * [ polars.Series.tanh ](../../series/api/polars.Series.tanh.html) * [ Descriptive ](../../series/descriptive.html) __ * [ polars.Series.chunk_lengths ](../../series/api/polars.Series.chunk_lengths.html) ...
polar_functions/DataType_18_18.txt
/expressions/api/polars.tail.html) * [ polars.time ](../expressions/api/polars.time.html) * [ polars.time_range ](../expressions/api/polars.time_range.html) * [ polars.time_ranges ](../expressions/api/polars.time_ranges.html) * [ polars.var ](../expressions/api/polars.var.html) * [ polars....
polar_functions/LazyFrame_7_17.txt
ions/api/polars.arctan2.html) * [ polars.arctan2d ](../../expressions/api/polars.arctan2d.html) * [ polars.arg_sort_by ](../../expressions/api/polars.arg_sort_by.html) * [ polars.arg_where ](../../expressions/api/polars.arg_where.html) * [ polars.business_day_count ](../../expressions/api/polars...
polar_functions/LazyFrame_75_0.txt
Skip to main content __ Back to top __ ` Ctrl ` \+ ` K ` [ ![Logo image](https://raw.githubusercontent.com/pola-rs/polars- static/master/logos/polars-logo-dark-medium.png) ](../../../index.html) Site Navigation * [ Python API reference ](../../index.html) * [ User guide ](https://docs.pola.rs/user-guide/) *...
polar_functions/input_output_27_2.txt
by_name.html) * [ polars.DataFrame.gather_every ](../dataframe/api/polars.DataFrame.gather_every.html) * [ polars.DataFrame.get_column ](../dataframe/api/polars.DataFrame.get_column.html) * [ polars.DataFrame.get_column_index ](../dataframe/api/polars.DataFrame.get_column_index.html) * [ polars....
polar_functions/DataType_1_26.txt
amespace ](polars.api.register_expr_namespace.html) * [ polars.api.register_dataframe_namespace ](polars.api.register_dataframe_namespace.html) * [ polars.api.register_lazyframe_namespace ](polars.api.register_lazyframe_namespace.html) * [ polars.api.register_series_namespace ](polars.api.register_series_na...
polar_functions/input_output_28_18.txt
/expressions/api/polars.tail.html) * [ polars.time ](../expressions/api/polars.time.html) * [ polars.time_range ](../expressions/api/polars.time_range.html) * [ polars.time_ranges ](../expressions/api/polars.time_ranges.html) * [ polars.var ](../expressions/api/polars.var.html) * [ polars....
polar_functions/Expression_21_21.txt
itlecase ](polars.Expr.str.to_titlecase.html) * [ polars.Expr.str.to_time ](polars.Expr.str.to_time.html) * [ polars.Expr.str.to_uppercase ](polars.Expr.str.to_uppercase.html) * [ polars.Expr.str.zfill ](polars.Expr.str.zfill.html) * [ Struct ](../struct.html) __ * [ polars.Expr.struct.field...
polar_functions/LazyFrame_35_20.txt
nstant.html) * [ polars.Expr.fill_nan ](../../expressions/api/polars.Expr.fill_nan.html) * [ polars.Expr.fill_null ](../../expressions/api/polars.Expr.fill_null.html) * [ polars.Expr.filter ](../../expressions/api/polars.Expr.filter.html) * [ polars.Expr.flatten ](../../expressions/api/polars.Ex...
polar_functions/input_output_6_16.txt
tml) * [ polars.Expr.ewm_var ](../expressions/api/polars.Expr.ewm_var.html) * [ polars.Expr.exp ](../expressions/api/polars.Expr.exp.html) * [ polars.Expr.hash ](../expressions/api/polars.Expr.hash.html) * [ polars.Expr.hist ](../expressions/api/polars.Expr.hist.html) * [ polars.Expr.kurto...
polar_functions/Expression_59_13.txt
ies.struct.unnest ](../../series/api/polars.Series.struct.unnest.html) * [ polars.Series.struct.fields ](../../series/api/polars.Series.struct.fields.html) * [ polars.Series.struct.schema ](../../series/api/polars.Series.struct.schema.html) * [ Temporal ](../../series/temporal.html) __ * [ polars....
polar_functions/Expression_22_15.txt
pr.bin.decode ](polars.Expr.bin.decode.html) * [ polars.Expr.bin.encode ](polars.Expr.bin.encode.html) * [ polars.Expr.bin.ends_with ](polars.Expr.bin.ends_with.html) * [ polars.Expr.bin.starts_with ](polars.Expr.bin.starts_with.html) * [ Boolean ](../boolean.html) __ * [ polars.Expr.all ](p...
polar_functions/LazyFrame_41_18.txt
l) * [ polars.rolling_corr ](../../expressions/api/polars.rolling_corr.html) * [ polars.rolling_cov ](../../expressions/api/polars.rolling_cov.html) * [ polars.select ](../../expressions/api/polars.select.html) * [ polars.std ](../../expressions/api/polars.std.html) * [ polars.struct ](../...
polar_functions/Expression_43_6.txt
polars.LazyFrame.deserialize ](../../lazyframe/api/polars.LazyFrame.deserialize.html) * [ polars.LazyFrame.serialize ](../../lazyframe/api/polars.LazyFrame.serialize.html) * [ Series ](../../series/index.html) __ * [ Aggregation ](../../series/aggregation.html) __ * [ polars.Series.arg_max ](../../se...
polar_functions/LazyFrame_70_5.txt
g ](polars.LazyFrame.rolling.html) * [ polars.LazyFrame.select ](polars.LazyFrame.select.html) * polars.LazyFrame.select_seq * [ polars.LazyFrame.set_sorted ](polars.LazyFrame.set_sorted.html) * [ polars.LazyFrame.shift ](polars.LazyFrame.shift.html) * [ polars.LazyFrame.shift_and_fill ](...
polar_functions/input_output_14_30.txt
A ` rechunk ` is an expensive operation. Examples >>> pl.read_csv("data.csv", separator="|") Demonstrate use against a BytesIO object, parsing string dates. >>> from io import BytesIO >>> data = BytesIO( ... b"ID,Name,Birthday\n" ... b"1,Alice,1995-07-12\n" ...
polar_functions/DataType_18_17.txt
rs.concat_list ](../expressions/api/polars.concat_list.html) * [ polars.concat_str ](../expressions/api/polars.concat_str.html) * [ polars.corr ](../expressions/api/polars.corr.html) * [ polars.count ](../expressions/api/polars.count.html) * [ polars.cov ](../expressions/api/polars.cov.html) ...
polar_functions/DataType_18_14.txt
/api/polars.Expr.max.html) * [ polars.Expr.mean ](../expressions/api/polars.Expr.mean.html) * [ polars.Expr.median ](../expressions/api/polars.Expr.median.html) * [ polars.Expr.min ](../expressions/api/polars.Expr.min.html) * [ polars.Expr.nan_max ](../expressions/api/polars.Expr.nan_max.html) ...
polar_functions/LazyFrame_46_15.txt
.Expr.is_in ](../../expressions/api/polars.Expr.is_in.html) * [ polars.Expr.is_infinite ](../../expressions/api/polars.Expr.is_infinite.html) * [ polars.Expr.is_last ](../../expressions/api/polars.Expr.is_last.html) * [ polars.Expr.is_last_distinct ](../../expressions/api/polars.Expr.is_last_distinct....
polar_functions/Expression_31_14.txt
[ polars.Series.dt.to_string ](../../series/api/polars.Series.dt.to_string.html) * [ polars.Series.dt.total_days ](../../series/api/polars.Series.dt.total_days.html) * [ polars.Series.dt.total_hours ](../../series/api/polars.Series.dt.total_hours.html) * [ polars.Series.dt.total_microseconds ](../../...
polar_functions/Function_8_18.txt
/expressions/api/polars.tail.html) * [ polars.time ](../expressions/api/polars.time.html) * [ polars.time_range ](../expressions/api/polars.time_range.html) * [ polars.time_ranges ](../expressions/api/polars.time_ranges.html) * [ polars.var ](../expressions/api/polars.var.html) * [ polars....
polar_functions/LazyFrame_44_28.txt
of global variables are also registered, using their variable name. * More control over registration and execution behaviour is available by using the [ ` SQLContext ` ](../../sql.html#polars.SQLContext "polars.SQLContext") object. Examples >>> lf1 = pl.LazyFrame({"a": [1, 2, 3], "b": [6, 7, 8], ...
polar_functions/input_output_34_3.txt
e/api/polars.DataFrame.slice.html) * [ polars.DataFrame.sort ](../dataframe/api/polars.DataFrame.sort.html) * [ polars.DataFrame.sql ](../dataframe/api/polars.DataFrame.sql.html) * [ polars.DataFrame.tail ](../dataframe/api/polars.DataFrame.tail.html) * [ polars.DataFrame.take_every ](../datafra...
polar_functions/Expression_47_7.txt
eries/api/polars.Series.bin.contains.html) * [ polars.Series.bin.decode ](../../series/api/polars.Series.bin.decode.html) * [ polars.Series.bin.encode ](../../series/api/polars.Series.bin.encode.html) * [ polars.Series.bin.ends_with ](../../series/api/polars.Series.bin.ends_with.html) * [ polars...
polar_functions/DataType_5_11.txt
s ](../series/api/polars.Series.to_dummies.html) * [ polars.Series.top_k ](../series/api/polars.Series.top_k.html) * [ polars.Series.unique ](../series/api/polars.Series.unique.html) * [ polars.Series.view ](../series/api/polars.Series.view.html) * [ polars.Series.zip_with ](../series/api/polars...
polar_functions/input_output_1_9.txt
polars.Series.to_list ](../series/api/polars.Series.to_list.html) * [ polars.Series.to_numpy ](../series/api/polars.Series.to_numpy.html) * [ polars.Series.to_pandas ](../series/api/polars.Series.to_pandas.html) * [ polars.Series.to_init_repr ](../series/api/polars.Series.to_init_repr.html) * [ Li...
polar_functions/DataType_19_18.txt
/expressions/api/polars.tail.html) * [ polars.time ](../expressions/api/polars.time.html) * [ polars.time_range ](../expressions/api/polars.time_range.html) * [ polars.time_ranges ](../expressions/api/polars.time_ranges.html) * [ polars.var ](../expressions/api/polars.var.html) * [ polars....
polar_functions/Expression_48_4.txt
zyFrame.width.html) * [ Descriptive ](../../lazyframe/descriptive.html) __ * [ polars.LazyFrame.describe ](../../lazyframe/api/polars.LazyFrame.describe.html) * [ polars.LazyFrame.explain ](../../lazyframe/api/polars.LazyFrame.explain.html) * [ polars.LazyFrame.show_graph ](../../lazyframe/api/pol...
polar_functions/input_output_26_15.txt
olars.Expr.is_infinite.html) * [ polars.Expr.is_last ](../expressions/api/polars.Expr.is_last.html) * [ polars.Expr.is_last_distinct ](../expressions/api/polars.Expr.is_last_distinct.html) * [ polars.Expr.is_nan ](../expressions/api/polars.Expr.is_nan.html) * [ polars.Expr.is_not ](../expression...
polar_functions/Expression_60_15.txt
pr.bin.decode ](polars.Expr.bin.decode.html) * [ polars.Expr.bin.encode ](polars.Expr.bin.encode.html) * [ polars.Expr.bin.ends_with ](polars.Expr.bin.ends_with.html) * [ polars.Expr.bin.starts_with ](polars.Expr.bin.starts_with.html) * [ Boolean ](../boolean.html) __ * [ polars.Expr.all ](p...
polar_functions/DataType_0_5.txt
LazyFrame.join ](../lazyframe/api/polars.LazyFrame.join.html) * [ polars.LazyFrame.join_asof ](../lazyframe/api/polars.LazyFrame.join_asof.html) * [ polars.LazyFrame.last ](../lazyframe/api/polars.LazyFrame.last.html) * [ polars.LazyFrame.limit ](../lazyframe/api/polars.LazyFrame.limit.html) * [...
polar_functions/Function_6_9.txt
polars.Series.to_list ](../series/api/polars.Series.to_list.html) * [ polars.Series.to_numpy ](../series/api/polars.Series.to_numpy.html) * [ polars.Series.to_pandas ](../series/api/polars.Series.to_pandas.html) * [ polars.Series.to_init_repr ](../series/api/polars.Series.to_init_repr.html) * [ Li...
polar_functions/LazyFrame_41_19.txt
ressions/api/polars.Expr.list.first.html) * [ polars.Expr.list.gather ](../../expressions/api/polars.Expr.list.gather.html) * [ polars.Expr.list.get ](../../expressions/api/polars.Expr.list.get.html) * [ polars.Expr.list.head ](../../expressions/api/polars.Expr.list.head.html) * [ polars.Expr.li...
polar_functions/LazyFrame_30_23.txt
l) * [ polars.Expr.str.to_uppercase ](../../expressions/api/polars.Expr.str.to_uppercase.html) * [ polars.Expr.str.zfill ](../../expressions/api/polars.Expr.str.zfill.html) * [ Struct ](../../expressions/struct.html) __ * [ polars.Expr.struct.field ](../../expressions/api/polars.Expr.struct.field....
polar_functions/Expression_3_18.txt
l) * [ polars.Expr.list.eval ](polars.Expr.list.eval.html) * [ polars.Expr.list.explode ](polars.Expr.list.explode.html) * [ polars.Expr.list.first ](polars.Expr.list.first.html) * [ polars.Expr.list.gather ](polars.Expr.list.gather.html) * [ polars.Expr.list.get ](polars.Expr.list.get.htm...
polar_functions/Function_7_25.txt
read_ods.html) * [ polars.DataFrame.write_excel ](polars.DataFrame.write_excel.html) * [ polars.read_ipc ](polars.read_ipc.html) * [ polars.read_ipc_schema ](polars.read_ipc_schema.html) * [ polars.read_ipc_stream ](polars.read_ipc_stream.html) * [ polars.scan_ipc ](polars.scan_ipc.html) * [ pol...
polar_functions/input_output_7_3.txt
e/api/polars.DataFrame.slice.html) * [ polars.DataFrame.sort ](../dataframe/api/polars.DataFrame.sort.html) * [ polars.DataFrame.sql ](../dataframe/api/polars.DataFrame.sql.html) * [ polars.DataFrame.tail ](../dataframe/api/polars.DataFrame.tail.html) * [ polars.DataFrame.take_every ](../datafra...
polar_functions/Expression_11_12.txt
* [ polars.Series.str.json_decode ](../../series/api/polars.Series.str.json_decode.html) * [ polars.Series.str.json_extract ](../../series/api/polars.Series.str.json_extract.html) * [ polars.Series.str.json_path_match ](../../series/api/polars.Series.str.json_path_match.html) * [ polars.Series.str.le...
polar_functions/input_output_20_24.txt
ns ](../functions.html) __ * [ polars.from_arrow ](polars.from_arrow.html) * [ polars.from_dataframe ](polars.from_dataframe.html) * [ polars.from_dict ](polars.from_dict.html) * [ polars.from_dicts ](polars.from_dicts.html) * [ polars.from_numpy ](polars.from_numpy.html) * [ polars.from_pandas ...
polar_functions/LazyFrame_72_10.txt
* [ polars.Series.clip ](../../series/api/polars.Series.clip.html) * [ polars.Series.clip_max ](../../series/api/polars.Series.clip_max.html) * [ polars.Series.clip_min ](../../series/api/polars.Series.clip_min.html) * [ polars.Series.clone ](../../series/api/polars.Series.clone.html) * [ pola...
polar_functions/LazyFrame_76_14.txt
* [ polars.Expr.mean ](../../expressions/api/polars.Expr.mean.html) * [ polars.Expr.median ](../../expressions/api/polars.Expr.median.html) * [ polars.Expr.min ](../../expressions/api/polars.Expr.min.html) * [ polars.Expr.nan_max ](../../expressions/api/polars.Expr.nan_max.html) * [ polars.Ex...
polar_functions/LazyFrame_33_2.txt
Frame.fill_null ](../../dataframe/api/polars.DataFrame.fill_null.html) * [ polars.DataFrame.filter ](../../dataframe/api/polars.DataFrame.filter.html) * [ polars.DataFrame.find_idx_by_name ](../../dataframe/api/polars.DataFrame.find_idx_by_name.html) * [ polars.DataFrame.gather_every ](../../dataframe...
polar_functions/DataType_27_16.txt
tml) * [ polars.Expr.ewm_var ](../expressions/api/polars.Expr.ewm_var.html) * [ polars.Expr.exp ](../expressions/api/polars.Expr.exp.html) * [ polars.Expr.hash ](../expressions/api/polars.Expr.hash.html) * [ polars.Expr.hist ](../expressions/api/polars.Expr.hist.html) * [ polars.Expr.kurto...
polar_functions/Function_9_21.txt
.name.prefix ](../expressions/api/polars.Expr.name.prefix.html) * [ polars.Expr.name.suffix ](../expressions/api/polars.Expr.name.suffix.html) * [ polars.Expr.name.to_lowercase ](../expressions/api/polars.Expr.name.to_lowercase.html) * [ polars.Expr.name.to_uppercase ](../expressions/api/polars.Expr.n...
polar_functions/LazyFrame_23_28.txt
lias("a^2")).collect() shape: (4, 4) ┌─────┬──────┬───────┬─────┐ │ a ┆ b ┆ c ┆ a^2 │ │ --- ┆ --- ┆ --- ┆ --- │ │ i64 ┆ f64 ┆ bool ┆ i64 │ ╞═════╪══════╪═══════╪═════╡ │ 1 ┆ 0.5 ┆ true ┆ 1 │ │ 2 ┆ 4.0 ┆ true ┆ 4 │ │ 3 ┆ 10.0 ┆ false ┆ 9 │ │ 4 ┆ 13....
polar_functions/DataType_7_27.txt
se_type ` () | Return this DataType's fundamental/root type class. ` is_ ` (other) | Check if this DataType is the same as another DataType. ` is_decimal ` () | Check whether the data type is a decimal type. ` is_float ` () | Check whether the data type is a floating point type. ` is_integer ` ...
polar_functions/Expression_59_11.txt
reshape.html) * [ polars.Series.reverse ](../../series/api/polars.Series.reverse.html) * [ polars.Series.rle ](../../series/api/polars.Series.rle.html) * [ polars.Series.rle_id ](../../series/api/polars.Series.rle_id.html) * [ polars.Series.round ](../../series/api/polars.Series.round.html) ...
polar_functions/Expression_28_6.txt
polars.LazyFrame.deserialize ](../../lazyframe/api/polars.LazyFrame.deserialize.html) * [ polars.LazyFrame.serialize ](../../lazyframe/api/polars.LazyFrame.serialize.html) * [ Series ](../../series/index.html) __ * [ Aggregation ](../../series/aggregation.html) __ * [ polars.Series.arg_max ](../../se...
polar_functions/input_output_2_6.txt
s.min.html) * [ polars.Series.mode ](../series/api/polars.Series.mode.html) * [ polars.Series.nan_max ](../series/api/polars.Series.nan_max.html) * [ polars.Series.nan_min ](../series/api/polars.Series.nan_min.html) * [ polars.Series.product ](../series/api/polars.Series.product.html) * [ ...
polar_functions/LazyFrame_27_11.txt
/polars.Series.apply.html) * [ polars.Series.equals ](../../series/api/polars.Series.equals.html) * [ polars.Series.map_elements ](../../series/api/polars.Series.map_elements.html) * [ polars.Series.reinterpret ](../../series/api/polars.Series.reinterpret.html) * [ polars.Series.series_equal ](....
polar_functions/LazyFrame_59_16.txt
rs.Expr.entropy.html) * [ polars.Expr.ewm_mean ](../../expressions/api/polars.Expr.ewm_mean.html) * [ polars.Expr.ewm_mean_by ](../../expressions/api/polars.Expr.ewm_mean_by.html) * [ polars.Expr.ewm_std ](../../expressions/api/polars.Expr.ewm_std.html) * [ polars.Expr.ewm_var ](../../expression...
polar_functions/input_output_10_8.txt
api/polars.Series.rolling_min.html) * [ polars.Series.rolling_quantile ](../series/api/polars.Series.rolling_quantile.html) * [ polars.Series.rolling_skew ](../series/api/polars.Series.rolling_skew.html) * [ polars.Series.rolling_std ](../series/api/polars.Series.rolling_std.html) * [ polars.Ser...