The ExtensionArray of the data backing this Series or Index. .. versionadded:: 0.24.0 Returns ------- array

Raises an AssertionError if two objects are not equal. Given two objects (scalars, lists, tuples, dictionaries or numpy arrays), check t

Assert that works in release mode. Accepts callable msg to allow deferring evaluation until failure. The Python built-in ``assert`` does

Check that left and right DataFrame are equal. This function is intended to compare two DataFrames and output any differences. Is is mos

assert_raises(exception_class, callable, *args, **kwargs) assert_raises(exception_class) Fail unless an exception of class exception_cla

Asserts that two items are equal.

Concatenate two or more Series. Parameters ---------- to_append : Series or list/tuple of Series ignore_inde

Render a string representation of the Index.

Raises an AssertionError if two array_like objects are not equal. Given two array_like objects, check that the shape is equal and all el

Check that left and right Series are equal. Parameters ---------- left : Series right : Series check_dtype : bool, default True

Group data on given axis, returning GroupBy object. Parameters ---------- function : callable Mapping fu

Return a fixed frequency DatetimeIndex. Parameters ---------- start : str or datetime-like, optional Left bound for generati

Give a new shape to the array without changing its data. Returns a masked array containing the same data, but with a new shape.

Raises an AssertionError if two items are not equal up to desired precision. .. note:: It is recommended to use one of `assert_allclose`

Shortcut to MaskedArray. The options are in a different order for convenience and backwards compatibility.

Exponential weighted moving average. Parameters ---------- *args, **kwargs Arguments and keyword argumen

Set the DataFrame index using existing columns. Set the DataFrame index (row labels) using one or more existing columns or a

Convert list of tuples to MultiIndex. Parameters ---------- tuples : list / sequence of tuple-likes Each

Join items with other Panel either on major and minor axes column. Parameters ---------- other : Panel or list of Pa

Return a view of the MaskedArray data Parameters ---------- dtype : data-type or ndarray sub-class, optional

Concatenate a list of SingleBlockManagers into a single SingleBlockManager. Used for pd.concat of Series objects with axis=0

Copy is a no-op on the maskedconstant, as it is a scalar

Resample time-series data. Convenience method for frequency conversion and resampling of time series. Object must have a dat

Plot left / right DataFrames in specified layout. Parameters ---------- left : list of DataFrames before operation i

Convert TimeSeries to specified frequency. Optionally provide filling method to pad/backfill missing values. Returns the or

Detect missing values for an array-like object. This function takes a scalar or array-like object and indicates whether values are missi

Format the text display value of cells. .. versionadded:: 0.18.0 Parameters ---------- formatter : str, cal

Test whether two objects contain the same elements. This function allows two Series or DataFrames to be compared against eac

Indicator whether DataFrame is empty. True if DataFrame is entirely empty (no items), meaning any of the axes are of length

NOT IMPLEMENTED: do not call this method, as sparsifying is not supported for Panel objects and will raise an error. Convert

Localize tz-naive index of a Series or DataFrame to target time zone. This operation localizes the Index. To localize the values in

Get item from object for given key (DataFrame column, Panel slice, etc.). Returns default value if not found. Parameters

Return a string which is the concatenation of the strings in the sequence `seq`. See also -------- char.join

Adds documentation to obj which is in module place. If doc is a string add it to obj as a docstring If doc is a tuple, then the first e

Open `path` with `mode` and return the file object. If ``path`` is an URL, it will be downloaded, stored in the `DataSource` `destpath`

Convert arrays to MultiIndex. Parameters ---------- arrays : list / sequence of array-likes Each array-l

Return item and drop from frame. Raise KeyError if not found. Parameters ---------- item : str Column la

Return a fixed frequency PeriodIndex, with day (calendar) as the default frequency Parameters ---------- start : string or perio

Concatenate pandas objects along a particular axis with optional set logic along the other axes. Can also add a layer of hierarchical in

Return data corresponding to axis labels matching criteria. .. deprecated:: 0.21.0 Use df.loc[df.index.map(crit)] to sel

Returns a boolean array which is `True` where the string element in `self` starts with `prefix`, otherwise `False`. See also

Lazily iterate over (index, value) tuples.

Returns True if all elements evaluate to True. The output array is masked where all the values along the given axis are mask

Repeat elements of a Series. Returns a new Series where each element of the current Series is repeated consecutively a given

Sort Series by index labels. Returns a new Series sorted by label if `inplace` argument is ``False``, otherwise updates the

Return a list of the values. These are each a scalar type, which is a Python scalar (for str, int, float) or a pandas scalar

Make a MultiIndex from the cartesian product of multiple iterables. Parameters ---------- iterables : list / sequenc

Append to Table in file. Node must already exist and be Table format. Parameters ---------- key : object

Raises an AssertionError if two objects are not equal up to desired precision. .. note:: It is recommended to use one of `assert_allclos

close io if necessary

Return a string which is the concatenation of the strings in the sequence `seq`. Calls `str.join` element-wise. Parameters ----

iterate on key->group

NOT IMPLEMENTED: do not call this method, as sorting values is not supported for Panel objects and will raise an error.

Convert argument to datetime. Parameters ---------- arg : integer, float, string, datetime, list, tuple, 1-d array, Series

Append a collection of Index options together. Parameters ---------- other : Index or list/tuple of indices

Check if the object is list-like. Objects that are considered list-like are for example Python lists, tuples, sets, NumPy arrays, and Pa

Shift index by desired number of periods with an optional time freq. The shifted data will not include the dropped periods and the

Return dense representation of NDFrame (as opposed to sparse).

Generate a new DataFrame or Series with the index reset. This is useful when the index needs to be treated as a column, or w

Returns a 1D version of self, as a view. Parameters ---------- order : {'C', 'F', 'A', 'K'}, optional Th

Check that left and right Panels are equal. Parameters ---------- left : Panel (or nd) right : Panel (or nd) check_dtype : bool,

Return x, y values at equally spaced points in domain. Returns the x, y values at `n` linearly spaced points across the domain. Here

Returns True if any value in the group is truthful, else False. Parameters ---------- skipna : bool, default True

Reduce target along the given axis.