General functions#

Data manipulations#

cut(x, bins[, right, labels, retbins, ...])

Bin values into discrete intervals.

concat(objs[, axis, join, ignore_index, ...])

get_dummies(data[, prefix, prefix_sep, ...])

Convert categorical variable into dummy/indicator variables.

melt(frame[, id_vars, value_vars, var_name, ...])

Unpivot a DataFrame from wide to long format, optionally leaving identifiers set.

merge(df, right[, how, on, left_on, ...])

Merge DataFrame or named Series objects with a database-style join.

qcut(x, q[, labels, retbins, precision, ...])

Quantile-based discretization function.

Top-level missing data#

isna(obj)

Detect missing values.

isnull(obj)

Detect missing values.

notna(obj)

Detect existing (non-missing) values.

notnull(obj)

Detect existing (non-missing) values.

Top-level dealing with datetimelike#

to_datetime(arg[, errors, dayfirst, ...])

Convert argument to datetime.

date_range([start, end, periods, freq, tz, ...])

Return a fixed frequency DatetimeIndex.

Top-level evaluation#

eval(expr[, parser, engine, local_dict, ...])

Evaluate a Python expression as a string using various backends.

Misc#

CustomReduction([name, is_gpu])

ExecutableTuple(*args)