pandas.Panel¶
-
class
pandas.
Panel
(data=None, items=None, major_axis=None, minor_axis=None, copy=False, dtype=None)[source]¶ Represents wide format panel data, stored as 3-dimensional array
Parameters: data : ndarray (items x major x minor), or dict of DataFrames
items : Index or array-like
axis=0
major_axis : Index or array-like
axis=1
minor_axis : Index or array-like
axis=2
dtype : dtype, default None
Data type to force, otherwise infer
copy : boolean, default False
Copy data from inputs. Only affects DataFrame / 2d ndarray input
Attributes
at
Fast label-based scalar accessor axes
Return index label(s) of the internal NDFrame blocks
Internal property, property synonym for as_blocks() dtypes
Return the dtypes in this object. empty
True if NDFrame is entirely empty [no items], meaning any of the axes are of length 0. ftypes
Return the ftypes (indication of sparse/dense and dtype) in this object. iat
Fast integer location scalar accessor. iloc
Purely integer-location based indexing for selection by position. is_copy
ix
A primarily label-location based indexer, with integer position fallback. loc
Purely label-location based indexer for selection by label. ndim
Number of axes / array dimensions shape
Return a tuple of axis dimensions size
number of elements in the NDFrame values
Numpy representation of NDFrame Methods
abs
()Return an object with absolute value taken–only applicable to objects that are all numeric. add
(other[, axis])Addition of series and other, element-wise (binary operator add). add_prefix
(prefix)Concatenate prefix string with panel items names. add_suffix
(suffix)Concatenate suffix string with panel items names. agg
(func, *args, **kwargs)aggregate
(func, *args, **kwargs)align
(other, **kwargs)all
([axis, bool_only, skipna, level])Return whether all elements are True over requested axis any
([axis, bool_only, skipna, level])Return whether any element is True over requested axis apply
(func[, axis])Applies function along axis (or axes) of the Panel as_blocks
([copy])Convert the frame to a dict of dtype -> Constructor Types that each has a homogeneous dtype. as_matrix
()asfreq
(freq[, method, how, normalize, ...])Convert TimeSeries to specified frequency. asof
(where[, subset])The last row without any NaN is taken (or the last row without astype
(dtype[, copy, errors])Cast object to input numpy.dtype at_time
(time[, asof])Select values at particular time of day (e.g. between_time
(start_time, end_time[, ...])Select values between particular times of the day (e.g., 9:00-9:30 AM). bfill
([axis, inplace, limit, downcast])Synonym for DataFrame.fillna(method='bfill')
bool
()Return the bool of a single element PandasObject. clip
([lower, upper, axis])Trim values at input threshold(s). clip_lower
(threshold[, axis])Return copy of the input with values below given value(s) truncated. clip_upper
(threshold[, axis])Return copy of input with values above given value(s) truncated. compound
([axis, skipna, level])Return the compound percentage of the values for the requested axis conform
(frame[, axis])Conform input DataFrame to align with chosen axis pair. consolidate
([inplace])DEPRECATED: consolidate will be an internal implementation only. convert_objects
([convert_dates, ...])Deprecated. copy
([deep])Make a copy of this objects data. count
([axis])Return number of observations over requested axis. cummax
([axis, skipna])Return cumulative max over requested axis. cummin
([axis, skipna])Return cumulative minimum over requested axis. cumprod
([axis, skipna])Return cumulative product over requested axis. cumsum
([axis, skipna])Return cumulative sum over requested axis. describe
([percentiles, include, exclude])Generates descriptive statistics that summarize the central tendency, dispersion and shape of a dataset’s distribution, excluding NaN
values.div
(other[, axis])Floating division of series and other, element-wise (binary operator truediv). divide
(other[, axis])Floating division of series and other, element-wise (binary operator truediv). drop
(labels[, axis, level, inplace, errors])Return new object with labels in requested axis removed. dropna
([axis, how, inplace])Drop 2D from panel, holding passed axis constant eq
(other[, axis])Wrapper for comparison method eq equals
(other)Determines if two NDFrame objects contain the same elements. ffill
([axis, inplace, limit, downcast])Synonym for DataFrame.fillna(method='ffill')
fillna
([value, method, axis, inplace, ...])Fill NA/NaN values using the specified method filter
([items, like, regex, axis])Subset rows or columns of dataframe according to labels in the specified index. first
(offset)Convenience method for subsetting initial periods of time series data based on a date offset. floordiv
(other[, axis])Integer division of series and other, element-wise (binary operator floordiv). fromDict
(data[, intersect, orient, dtype])Construct Panel from dict of DataFrame objects from_dict
(data[, intersect, orient, dtype])Construct Panel from dict of DataFrame objects ge
(other[, axis])Wrapper for comparison method ge get
(key[, default])Get item from object for given key (DataFrame column, Panel slice, etc.). get_dtype_counts
()Return the counts of dtypes in this object. get_ftype_counts
()Return the counts of ftypes in this object. get_value
(*args, **kwargs)Quickly retrieve single value at (item, major, minor) location get_values
()same as values (but handles sparseness conversions) groupby
(function[, axis])Group data on given axis, returning GroupBy object gt
(other[, axis])Wrapper for comparison method gt head
([n])interpolate
([method, axis, limit, inplace, ...])Interpolate values according to different methods. isnull
()Return a boolean same-sized object indicating if the values are null. iteritems
()Iterate over (label, values) on info axis join
(other[, how, lsuffix, rsuffix])Join items with other Panel either on major and minor axes column keys
()Get the ‘info axis’ (see Indexing for more) kurt
([axis, skipna, level, numeric_only])Return unbiased kurtosis over requested axis using Fisher’s definition of kurtosis (kurtosis of normal == 0.0). kurtosis
([axis, skipna, level, numeric_only])Return unbiased kurtosis over requested axis using Fisher’s definition of kurtosis (kurtosis of normal == 0.0). last
(offset)Convenience method for subsetting final periods of time series data based on a date offset. le
(other[, axis])Wrapper for comparison method le lt
(other[, axis])Wrapper for comparison method lt mad
([axis, skipna, level])Return the mean absolute deviation of the values for the requested axis major_xs
(key)Return slice of panel along major axis mask
(cond[, other, inplace, axis, level, ...])Return an object of same shape as self and whose corresponding entries are from self where cond is False and otherwise are from other. max
([axis, skipna, level, numeric_only])This method returns the maximum of the values in the object. mean
([axis, skipna, level, numeric_only])Return the mean of the values for the requested axis median
([axis, skipna, level, numeric_only])Return the median of the values for the requested axis min
([axis, skipna, level, numeric_only])This method returns the minimum of the values in the object. minor_xs
(key)Return slice of panel along minor axis mod
(other[, axis])Modulo of series and other, element-wise (binary operator mod). mul
(other[, axis])Multiplication of series and other, element-wise (binary operator mul). multiply
(other[, axis])Multiplication of series and other, element-wise (binary operator mul). ne
(other[, axis])Wrapper for comparison method ne notnull
()Return a boolean same-sized object indicating if the values are not null. pct_change
([periods, fill_method, limit, freq])Percent change over given number of periods. pipe
(func, *args, **kwargs)Apply func(self, *args, **kwargs) pop
(item)Return item and drop from frame. pow
(other[, axis])Exponential power of series and other, element-wise (binary operator pow). prod
([axis, skipna, level, numeric_only])Return the product of the values for the requested axis product
([axis, skipna, level, numeric_only])Return the product of the values for the requested axis radd
(other[, axis])Addition of series and other, element-wise (binary operator radd). rank
([axis, method, numeric_only, ...])Compute numerical data ranks (1 through n) along axis. rdiv
(other[, axis])Floating division of series and other, element-wise (binary operator rtruediv). reindex
([items, major_axis, minor_axis])Conform Panel to new index with optional filling logic, placing NA/NaN in locations having no value in the previous index. reindex_axis
(labels[, axis, method, level, ...])Conform input object to new index with optional filling logic, placing NA/NaN in locations having no value in the previous index. reindex_like
(other[, method, copy, limit, ...])Return an object with matching indices to myself. rename
([items, major_axis, minor_axis])Alter axes input function or functions. rename_axis
(mapper[, axis, copy, inplace])Alter index and / or columns using input function or functions. replace
([to_replace, value, inplace, limit, ...])Replace values given in ‘to_replace’ with ‘value’. resample
(rule[, how, axis, fill_method, ...])Convenience method for frequency conversion and resampling of time series. rfloordiv
(other[, axis])Integer division of series and other, element-wise (binary operator rfloordiv). rmod
(other[, axis])Modulo of series and other, element-wise (binary operator rmod). rmul
(other[, axis])Multiplication of series and other, element-wise (binary operator rmul). round
([decimals])Round each value in Panel to a specified number of decimal places. rpow
(other[, axis])Exponential power of series and other, element-wise (binary operator rpow). rsub
(other[, axis])Subtraction of series and other, element-wise (binary operator rsub). rtruediv
(other[, axis])Floating division of series and other, element-wise (binary operator rtruediv). sample
([n, frac, replace, weights, ...])Returns a random sample of items from an axis of object. select
(crit[, axis])Return data corresponding to axis labels matching criteria sem
([axis, skipna, level, ddof, numeric_only])Return unbiased standard error of the mean over requested axis. set_axis
(axis, labels)public verson of axis assignment set_value
(*args, **kwargs)Quickly set single value at (item, major, minor) location shift
([periods, freq, axis])Shift index by desired number of periods with an optional time freq. skew
([axis, skipna, level, numeric_only])Return unbiased skew over requested axis slice_shift
([periods, axis])Equivalent to shift without copying data. sort_index
([axis, level, ascending, ...])Sort object by labels (along an axis) sort_values
(by[, axis, ascending, inplace, ...])squeeze
([axis])Squeeze length 1 dimensions. std
([axis, skipna, level, ddof, numeric_only])Return sample standard deviation over requested axis. sub
(other[, axis])Subtraction of series and other, element-wise (binary operator sub). subtract
(other[, axis])Subtraction of series and other, element-wise (binary operator sub). sum
([axis, skipna, level, numeric_only])Return the sum of the values for the requested axis swapaxes
(axis1, axis2[, copy])Interchange axes and swap values axes appropriately swaplevel
([i, j, axis])Swap levels i and j in a MultiIndex on a particular axis tail
([n])take
(indices[, axis, convert, is_copy])Analogous to ndarray.take toLong
(*args, **kwargs)to_clipboard
([excel, sep])Attempt to write text representation of object to the system clipboard This can be pasted into Excel, for example. to_dense
()Return dense representation of NDFrame (as opposed to sparse) to_excel
(path[, na_rep, engine])Write each DataFrame in Panel to a separate excel sheet to_frame
([filter_observations])Transform wide format into long (stacked) format as DataFrame whose columns are the Panel’s items and whose index is a MultiIndex formed of the Panel’s major and minor axes. to_hdf
(path_or_buf, key, **kwargs)Write the contained data to an HDF5 file using HDFStore. to_json
([path_or_buf, orient, date_format, ...])Convert the object to a JSON string. to_long
(*args, **kwargs)to_msgpack
([path_or_buf, encoding])msgpack (serialize) object to input file path to_pickle
(path[, compression])Pickle (serialize) object to input file path. to_sparse
(*args, **kwargs)NOT IMPLEMENTED: do not call this method, as sparsifying is not supported for Panel objects and will raise an error. to_sql
(name, con[, flavor, schema, ...])Write records stored in a DataFrame to a SQL database. to_xarray
()Return an xarray object from the pandas object. transpose
(*args, **kwargs)Permute the dimensions of the Panel truediv
(other[, axis])Floating division of series and other, element-wise (binary operator truediv). truncate
([before, after, axis, copy])Truncates a sorted NDFrame before and/or after some particular index value. tshift
([periods, freq, axis])tz_convert
(tz[, axis, level, copy])Convert tz-aware axis to target time zone. tz_localize
(tz[, axis, level, copy, ambiguous])Localize tz-naive TimeSeries to target time zone. update
(other[, join, overwrite, ...])Modify Panel in place using non-NA values from passed Panel, or object coercible to Panel. var
([axis, skipna, level, ddof, numeric_only])Return unbiased variance over requested axis. where
(cond[, other, inplace, axis, level, ...])Return an object of same shape as self and whose corresponding entries are from self where cond is True and otherwise are from other. xs
(key[, axis])Return slice of panel along selected axis