- API reference
- General functions
General functions#
Data manipulations#
| Unpivot a DataFrame from wide to long format, optionally leaving identifiers set. |
| Return reshaped DataFrame organized by given index / column values. |
| Create a spreadsheet-style pivot table as a DataFrame. |
| Compute a simple cross tabulation of two (or more) factors. |
| Bin values into discrete intervals. |
| Quantile-based discretization function. |
| Merge DataFrame or named Series objects with a database-style join. |
| Perform a merge for ordered data with optional filling/interpolation. |
| Perform a merge by key distance. |
| Concatenate pandas objects along a particular axis. |
| Convert categorical variable into dummy/indicator variables. |
| Create a categorical |
| Encode the object as an enumerated type or categorical variable. |
| Return unique values based on a hash table. |
| Reshape wide-format data to long. |
| Unpivot a DataFrame from wide to long format. |
Top-level missing data#
| Detect missing values for an array-like object. |
| Detect missing values for an array-like object. |
| Detect non-missing values for an array-like object. |
| Detect non-missing values for an array-like object. |
Top-level dealing with numeric data#
| Convert argument to a numeric type. |
Top-level dealing with datetimelike data#
| Convert argument to datetime. |
| Convert argument to timedelta. |
| Return a fixed frequency DatetimeIndex. |
| Return a fixed frequency DatetimeIndex with business day as the default. |
| Return a fixed frequency PeriodIndex. |
| Return a fixed frequency TimedeltaIndex with day as the default. |
| Infer the most likely frequency given the input index. |
Top-level dealing with Interval data#
| Return a fixed frequency IntervalIndex. |
Top-level evaluation#
| Evaluate a Python expression as a string using various backends. |
Datetime formats#
| Guess the datetime format of a given datetime string. |
Hashing#
| Given a 1d array, return an array of deterministic integers. |
| Return a data hash of the Index/Series/DataFrame. |
Importing from other DataFrame libraries#
| Build a |