[6g:UdZddlmZddlZddlmZmZmZmZm Z m Z m Z ddl Z ddl ZddlmZddlmZddlmZmZmZmZmZmZmZddlmZdd lmZdd l m!Z!dd l"m#Z#m$Z$dd l%m&Z&dd l'm(Z(ddl)m*Z*m+Z+ddl,m-Z-ddl.m/Z/m0Z0m1Z1ddl2m3Z3m4Z4ddl5m6Z6m7Z7m8Z8ddl9m:Z:ddl;mZ>ddl?m@Z@mAZAerddlBmCZCmDZDddlmEZEmFZFmGZGmHZHddlImJZJmKZKmLZLiZMdeNd<dddddZOGdd e:ZPGd!d"ZQGd#d$eeZRGd%de<ZSdS)&z. Base and utility classes for pandas objects. ) annotationsN) TYPE_CHECKINGAnyGenericLiteralcastfinaloverload)using_copy_on_write)lib)AxisIntDtypeObj IndexLabelNDFrameTSelfShapenpt)PYPY)functionAbstractMethodError)cache_readonlydoc)find_stack_level)can_hold_element)is_object_dtype is_scalar)ExtensionDtype) ABCDataFrameABCIndex ABCSeries)isnaremove_na_arraylike) algorithmsnanopsops) DirNamesMixin)OpsMixin)ExtensionArray)ensure_wrapped_if_datetimelike extract_array)HashableIterator)DropKeep NumpySorterNumpyValueArrayLike ScalarLike_co) DataFrameIndexSerieszdict[str, str] _shared_docs IndexOpsMixin)klassinplaceunique duplicatedcXeZdZUdZded<edZddZddd Zdfd Z xZ S) PandasObjectz/ Baseclass for various pandas objects. zdict[str, Any]_cachec t|S)zK Class constructor (for this class it's just `__class__`). )typeselfs O/var/www/surfInsights/venv3-11/lib/python3.11/site-packages/pandas/core/base.py _constructorzPandasObject._constructorls Dzzreturnstrc6t|S)zI Return a string representation for a particular object. )object__repr__rAs rCrJzPandasObject.__repr__ss t$$$rENkey str | NoneNonect|dsdS||jdS|j|ddS)zV Reset cached properties. 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Nrr)rr r is_list_likename)rBrKr selections rC_infer_selectionzSelectionMixin._infer_selectionsz  ;!   ]3   $'6MMc6Fs6K6KMII [A  #-"4"4  9K9KIrEc t|r^r)rBfuncargskwargss rC aggregatezSelectionMixin.aggregates!$'''rEr_r^)rrS)rr)r`rarbrcrdrv_internal_namesr_internal_names_setr rerrrrrrrrraggrrrErCrtrtsG MMM$(J((((####0O#o..  X U--^-  '''^ U' ^ U 111 ( ( ( ( (     U ((( CCCrErtc eZdZUdZdZedgZded<edgdZ edhd Z e did Z ee d Z edjdZdkdZedldZe dZedkdZedkdZedmdZe ddejfdnd#Ze edod$Zed%d&d'( dpdqd-Zeed&d%d.( dpdqd/Zd0ZeZdrd2Zedod3Z e dpdsd5Z!e dtdud;Z"d<Z#e dvdwd=Z$edod>Z%edod?Z&edod@Z'e dxdydBZ(ee)j*dCdCdCe+j,dDE dzd{dHZ*dIe-dJ<e. d|d}dSZ/e. d|d~dVZ/ee-dJdWX ddd]Z/d^d_ddbZ0e ddddZ1deZ2dfZ3dS)r6zS Common ops mixin to support a unified interface / docs for Series / Index itolistzfrozenset[str] _hidden_attrsrFrc t|r^rrAs rCdtypezIndexOpsMixin.dtype'"$'''rEExtensionArray | np.ndarrayc t|r^rrAs rC_valueszIndexOpsMixin._values,rrErc0tj|||S)zw Return the transpose, which is by definition self. Returns ------- %(klass)s )nvvalidate_transpose)rBrrs rC transposezIndexOpsMixin.transpose1s dF+++ rEa Return the transpose, which is by definition self. Examples -------- For Series: >>> s = pd.Series(['Ant', 'Bear', 'Cow']) >>> s 0 Ant 1 Bear 2 Cow dtype: object >>> s.T 0 Ant 1 Bear 2 Cow dtype: object For Index: >>> idx = pd.Index([1, 2, 3]) >>> idx.T Index([1, 2, 3], dtype='int64') )rrc|jjS)z Return a tuple of the shape of the underlying data. Examples -------- >>> s = pd.Series([1, 2, 3]) >>> s.shape (3,) )rshaperAs rCrzIndexOpsMixin.shapeZs|!!rErSc t|r^rrAs rC__len__zIndexOpsMixin.__len__gs!$'''rE Literal[1]cdS)a Number of dimensions of the underlying data, by definition 1. Examples -------- >>> s = pd.Series(['Ant', 'Bear', 'Cow']) >>> s 0 Ant 1 Bear 2 Cow dtype: object >>> s.ndim 1 For Index: >>> idx = pd.Index([1, 2, 3]) >>> idx Index([1, 2, 3], dtype='int64') >>> idx.ndim 1 rrrrAs rCrzIndexOpsMixin.ndimks 0qrEc~t|dkrtt|Std)a Return the first element of the underlying data as a Python scalar. Returns ------- scalar The first element of Series or Index. Raises ------ ValueError If the data is not length = 1. Examples -------- >>> s = pd.Series([1]) >>> s.item() 1 For an index: >>> s = pd.Series([1], index=['a']) >>> s.index.item() 'a' rz6can only convert an array of size 1 to a Python scalar)rnextiter ValueErrorrAs rCitemzIndexOpsMixin.items66 t99>>T ## #QRRRrEc|jjS)a Return the number of bytes in the underlying data. Examples -------- For Series: >>> s = pd.Series(['Ant', 'Bear', 'Cow']) >>> s 0 Ant 1 Bear 2 Cow dtype: object >>> s.nbytes 24 For Index: >>> idx = pd.Index([1, 2, 3]) >>> idx Index([1, 2, 3], dtype='int64') >>> idx.nbytes 24 )rnbytesrAs rCrzIndexOpsMixin.nbytess4|""rEc*t|jS)a Return the number of elements in the underlying data. Examples -------- For Series: >>> s = pd.Series(['Ant', 'Bear', 'Cow']) >>> s 0 Ant 1 Bear 2 Cow dtype: object >>> s.size 3 For Index: >>> idx = pd.Index([1, 2, 3]) >>> idx Index([1, 2, 3], dtype='int64') >>> idx.size 3 )rrrAs rCsizezIndexOpsMixin.sizes44<   rEr)c t|)ac The ExtensionArray of the data backing this Series or Index. Returns ------- ExtensionArray An ExtensionArray of the values stored within. For extension types, this is the actual array. For NumPy native types, this is a thin (no copy) wrapper around :class:`numpy.ndarray`. ``.array`` differs from ``.values``, which may require converting the data to a different form. See Also -------- Index.to_numpy : Similar method that always returns a NumPy array. Series.to_numpy : Similar method that always returns a NumPy array. Notes ----- This table lays out the different array types for each extension dtype within pandas. ================== ============================= dtype array type ================== ============================= category Categorical period PeriodArray interval IntervalArray IntegerNA IntegerArray string StringArray boolean BooleanArray datetime64[ns, tz] DatetimeArray ================== ============================= For any 3rd-party extension types, the array type will be an ExtensionArray. For all remaining dtypes ``.array`` will be a :class:`arrays.NumpyExtensionArray` wrapping the actual ndarray stored within. If you absolutely need a NumPy array (possibly with copying / coercing data), then use :meth:`Series.to_numpy` instead. Examples -------- For regular NumPy types like int, and float, a NumpyExtensionArray is returned. >>> pd.Series([1, 2, 3]).array [1, 2, 3] Length: 3, dtype: int64 For extension types, like Categorical, the actual ExtensionArray is returned >>> ser = pd.Series(pd.Categorical(['a', 'b', 'a'])) >>> ser.array ['a', 'b', 'a'] Categories (2, object): ['a', 'b'] rrAs rCarrayzIndexOpsMixin.arrays~"$'''rENFrnpt.DTypeLike | Nonecopyboolna_valuerI np.ndarrayc pt|jtr|jj|f||d|S|rAt t |}td|d|tj uo2|tj uo#tj |jtj }|j}|r_t!||stj||}n|}||tjt)|<tj||}|r|r|s}t+rotj|jdd|ddrEt+r#|s!|}d|j_n|}|S)a A NumPy ndarray representing the values in this Series or Index. Parameters ---------- dtype : str or numpy.dtype, optional The dtype to pass to :meth:`numpy.asarray`. copy : bool, default False Whether to ensure that the returned value is not a view on another array. Note that ``copy=False`` does not *ensure* that ``to_numpy()`` is no-copy. Rather, ``copy=True`` ensure that a copy is made, even if not strictly necessary. na_value : Any, optional The value to use for missing values. The default value depends on `dtype` and the type of the array. **kwargs Additional keywords passed through to the ``to_numpy`` method of the underlying array (for extension arrays). Returns ------- numpy.ndarray See Also -------- Series.array : Get the actual data stored within. Index.array : Get the actual data stored within. DataFrame.to_numpy : Similar method for DataFrame. Notes ----- The returned array will be the same up to equality (values equal in `self` will be equal in the returned array; likewise for values that are not equal). When `self` contains an ExtensionArray, the dtype may be different. For example, for a category-dtype Series, ``to_numpy()`` will return a NumPy array and the categorical dtype will be lost. For NumPy dtypes, this will be a reference to the actual data stored in this Series or Index (assuming ``copy=False``). Modifying the result in place will modify the data stored in the Series or Index (not that we recommend doing that). For extension types, ``to_numpy()`` *may* require copying data and coercing the result to a NumPy type (possibly object), which may be expensive. When you need a no-copy reference to the underlying data, :attr:`Series.array` should be used instead. This table lays out the different dtypes and default return types of ``to_numpy()`` for various dtypes within pandas. ================== ================================ dtype array type ================== ================================ category[T] ndarray[T] (same dtype as input) period ndarray[object] (Periods) interval ndarray[object] (Intervals) IntegerNA ndarray[object] datetime64[ns] datetime64[ns] datetime64[ns, tz] ndarray[object] (Timestamps) ================== ================================ Examples -------- >>> ser = pd.Series(pd.Categorical(['a', 'b', 'a'])) >>> ser.to_numpy() array(['a', 'b', 'a'], dtype=object) Specify the `dtype` to control how datetime-aware data is represented. Use ``dtype=object`` to return an ndarray of pandas :class:`Timestamp` objects, each with the correct ``tz``. >>> ser = pd.Series(pd.date_range('2000', periods=2, tz="CET")) >>> ser.to_numpy(dtype=object) array([Timestamp('2000-01-01 00:00:00+0100', tz='CET'), Timestamp('2000-01-02 00:00:00+0100', tz='CET')], dtype=object) Or ``dtype='datetime64[ns]'`` to return an ndarray of native datetime64 values. The values are converted to UTC and the timezone info is dropped. >>> ser.to_numpy(dtype="datetime64[ns]") ... # doctest: +ELLIPSIS array(['1999-12-31T23:00:00.000000000', '2000-01-01T23:00:00...'], dtype='datetime64[ns]') )rrz/to_numpy() got an unexpected keyword argument 'rn)rNrF)rzrrrto_numpyrrkeys TypeErrorr no_defaultr}nan issubdtypefloatingrrasarrayr asanyarrayr"r shares_memoryviewflags writeable) rBrrrrrfillnavaluesresults rCrzIndexOpsMixin.to_numpys~ dj. 1 1 &4:&uU4(UUfUU U  D//00HM(MMM  CN * T'RBM$*bk,R,RS    9#FH55 'F%88808F2=d,, -F%000  + + +2E2G2G + RaR 0&!*== +&((++#[[]]F-2FL**#[[]]F rEc|j Sr^)rrAs rCemptyzIndexOpsMixin.emptys9}rEmaxminlargest)opopposerqTrAxisInt | Noneskipnac>|j}tj|tj|||}t |t r||sf|r@tj dt|j dttdS|Stj||}|dkr>tj dt|j dtt|S)ab Return int position of the {value} value in the Series. If the {op}imum is achieved in multiple locations, the first row position is returned. Parameters ---------- axis : {{None}} Unused. Parameter needed for compatibility with DataFrame. skipna : bool, default True Exclude NA/null values when showing the result. *args, **kwargs Additional arguments and keywords for compatibility with NumPy. Returns ------- int Row position of the {op}imum value. See Also -------- Series.arg{op} : Return position of the {op}imum value. Series.arg{oppose} : Return position of the {oppose}imum value. numpy.ndarray.arg{op} : Equivalent method for numpy arrays. Series.idxmax : Return index label of the maximum values. Series.idxmin : Return index label of the minimum values. Examples -------- Consider dataset containing cereal calories >>> s = pd.Series({{'Corn Flakes': 100.0, 'Almond Delight': 110.0, ... 'Cinnamon Toast Crunch': 120.0, 'Cocoa Puff': 110.0}}) >>> s Corn Flakes 100.0 Almond Delight 110.0 Cinnamon Toast Crunch 120.0 Cocoa Puff 110.0 dtype: float64 >>> s.argmax() 2 >>> s.argmin() 0 The maximum cereal calories is the third element and the minimum cereal calories is the first element, since series is zero-indexed. The behavior of x.argmax/argmin with skipna=False and NAs, or with all-NAs is deprecated. In a future version this will raise ValueError. stacklevelrr)rrvalidate_minmax_axisvalidate_argmax_with_skipnarzr)r"anywarningswarnr@r` FutureWarningrargmaxr% nanargmaxrBrrrrdelegaters rCrzIndexOpsMixin.argmaxs6l< %%%/fEE h / /  )hmmoo1133 ) FtDzz':FFF"/11 r(((%hv>>>F|| FtDzz':FFF"/11 MrEsmallestc>|j}tj|tj|||}t |t r||sf|r@tj dt|j dttdS|Stj||}|dkr>tj dt|j dtt|S)Nrrrrr)rrrvalidate_argmin_with_skipnarzr)r"rrrr@r`rrargminr% nanargminrs rCrzIndexOpsMixin.argmins5< %%%/fEE h / /  )hmmoo1133 ) FtDzz':FFF"/11 r(((%hv>>>F|| FtDzz':FFF"/11 MrEc4|jS)a 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 (for Timestamp/Timedelta/Interval/Period) Returns ------- list See Also -------- numpy.ndarray.tolist : Return the array as an a.ndim-levels deep nested list of Python scalars. Examples -------- For Series >>> s = pd.Series([1, 2, 3]) >>> s.to_list() [1, 2, 3] For Index: >>> idx = pd.Index([1, 2, 3]) >>> idx Index([1, 2, 3], dtype='int64') >>> idx.to_list() [1, 2, 3] )rrrAs rCrzIndexOpsMixin.tolistsD|""$$$rEr-ct|jtjst |jSt |jjt|jjS)a Return an iterator of the values. These are each a scalar type, which is a Python scalar (for str, int, float) or a pandas scalar (for Timestamp/Timedelta/Interval/Period) Returns ------- iterator Examples -------- >>> s = pd.Series([1, 2, 3]) >>> for x in s: ... print(x) 1 2 3 ) rzrr}r~rmaprrangerrAs rC__iter__zIndexOpsMixin.__iter__DsM,$, 33 D %% %t|(% 0A*B*BCC CrEc^tt|S)ak Return True if there are any NaNs. Enables various performance speedups. Returns ------- bool Examples -------- >>> s = pd.Series([1, 2, 3, None]) >>> s 0 1.0 1 2.0 2 3.0 3 NaN dtype: float64 >>> s.hasnans True )rr"rrAs rChasnanszIndexOpsMixin.hasnans`s"2DJJNN$$%%%rEconvertc|j}t|tr|||St j||||S)a An internal function that maps values using the input correspondence (which can be a dict, Series, or function). Parameters ---------- mapper : function, dict, or Series The input correspondence object na_action : {None, 'ignore'} If 'ignore', propagate NA values, without passing them to the mapping function convert : bool, default True Try to find better dtype for elementwise function results. If False, leave as dtype=object. Note that the dtype is always preserved for some extension array dtypes, such as Categorical. Returns ------- Union[Index, MultiIndex], inferred The output of the mapping function applied to the index. If the function returns a tuple with more than one element a MultiIndex will be returned. ) na_action)rr)rrzr)rr$ map_array)rBmapperrrarrs rC _map_valueszIndexOpsMixin._map_values{sM2l c> * * 8776Y777 7#C9gVVVVrE normalizesort ascendingdropnar4c6tj||||||S)a= Return a Series containing counts of unique values. The resulting object will be in descending order so that the first element is the most frequently-occurring element. Excludes NA values by default. Parameters ---------- normalize : bool, default False If True then the object returned will contain the relative frequencies of the unique values. sort : bool, default True Sort by frequencies when True. Preserve the order of the data when False. ascending : bool, default False Sort in ascending order. bins : int, optional Rather than count values, group them into half-open bins, a convenience for ``pd.cut``, only works with numeric data. dropna : bool, default True Don't include counts of NaN. Returns ------- Series See Also -------- Series.count: Number of non-NA elements in a Series. DataFrame.count: Number of non-NA elements in a DataFrame. DataFrame.value_counts: Equivalent method on DataFrames. Examples -------- >>> index = pd.Index([3, 1, 2, 3, 4, np.nan]) >>> index.value_counts() 3.0 2 1.0 1 2.0 1 4.0 1 Name: count, dtype: int64 With `normalize` set to `True`, returns the relative frequency by dividing all values by the sum of values. >>> s = pd.Series([3, 1, 2, 3, 4, np.nan]) >>> s.value_counts(normalize=True) 3.0 0.4 1.0 0.2 2.0 0.2 4.0 0.2 Name: proportion, dtype: float64 **bins** Bins can be useful for going from a continuous variable to a categorical variable; instead of counting unique apparitions of values, divide the index in the specified number of half-open bins. >>> s.value_counts(bins=3) (0.996, 2.0] 2 (2.0, 3.0] 2 (3.0, 4.0] 1 Name: count, dtype: int64 **dropna** With `dropna` set to `False` we can also see NaN index values. >>> s.value_counts(dropna=False) 3.0 2 1.0 1 2.0 1 4.0 1 NaN 1 Name: count, dtype: int64 )r r rbinsr )r$value_counts_internal)rBrr r r r s rC value_countszIndexOpsMixin.value_countss1n/      rEc|j}t|tjs|}nt j|}|Sr^)rrzr}r~r:r$unique1d)rBrrs rCr:zIndexOpsMixin.uniquesA&"*-- 1]]__FF(00F rEcj|}|rt|}t|S)a Return number of unique elements in the object. Excludes NA values by default. Parameters ---------- dropna : bool, default True Don't include NaN in the count. Returns ------- int See Also -------- DataFrame.nunique: Method nunique for DataFrame. Series.count: Count non-NA/null observations in the Series. Examples -------- >>> s = pd.Series([1, 3, 5, 7, 7]) >>> s 0 1 1 3 2 5 3 7 4 7 dtype: int64 >>> s.nunique() 4 )r:r#r)rBr uniqss rCnuniquezIndexOpsMixin.nuniques3F   /'..E5zzrEcP|dt|kS)a. Return boolean if values in the object are unique. Returns ------- bool Examples -------- >>> s = pd.Series([1, 2, 3]) >>> s.is_unique True >>> s = pd.Series([1, 2, 3, 1]) >>> s.is_unique False F)r )rrrAs rC is_uniquezIndexOpsMixin.is_unique,s#&||5|))SYY66rEc.ddlm}||jS)aY Return boolean if values in the object are monotonically increasing. Returns ------- bool Examples -------- >>> s = pd.Series([1, 2, 2]) >>> s.is_monotonic_increasing True >>> s = pd.Series([3, 2, 1]) >>> s.is_monotonic_increasing False rr3)pandasr3is_monotonic_increasingrBr3s rCrz%IndexOpsMixin.is_monotonic_increasingA'& !     uT{{22rEc.ddlm}||jS)a\ Return boolean if values in the object are monotonically decreasing. Returns ------- bool Examples -------- >>> s = pd.Series([3, 2, 2, 1]) >>> s.is_monotonic_decreasing True >>> s = pd.Series([1, 2, 3]) >>> s.is_monotonic_decreasing False rr)rr3is_monotonic_decreasingrs rCrz%IndexOpsMixin.is_monotonic_decreasingXrrErWc$t|jdr|j|S|jj}|rQt |jr=t s6ttj |j }|tj |z }|S)a Memory usage of the values. Parameters ---------- deep : bool, default False Introspect the data deeply, interrogate `object` dtypes for system-level memory consumption. Returns ------- bytes used See Also -------- numpy.ndarray.nbytes : Total bytes consumed by the elements of the array. Notes ----- Memory usage does not include memory consumed by elements that are not components of the array if deep=False or if used on PyPy Examples -------- >>> idx = pd.Index([1, 2, 3]) >>> idx.memory_usage() 24 rUrV) rOrrUrrrrrr}r~rr memory_usage_of_objects)rBrWvrs rC _memory_usagezIndexOpsMixin._memory_usageos> 4:~ . . :**+  J   5ODJ// 5 5"*dl33F ,V44 4ArEr7z sort : bool, default False Sort `uniques` and shuffle `codes` to maintain the relationship. )rorder size_hintr use_na_sentinel"tuple[npt.NDArray[np.intp], Index]c(tj|j||\}}|jtjkr|tj}t|tr| |}nddl m }||}||fS)N)r r%rr) r$ factorizerrr}float16astypefloat32rzr rDrr3)rBr r%codesuniquesr3s rCr(zIndexOpsMixin.factorizes$$- Lt_   w =BJ & &nnRZ00G dH % % %''00GG $ $ $ $ $ $eGnnGg~rEa Find indices where elements should be inserted to maintain order. Find the indices into a sorted {klass} `self` such that, if the corresponding elements in `value` were inserted before the indices, the order of `self` would be preserved. .. note:: The {klass} *must* be monotonically sorted, otherwise wrong locations will likely be returned. Pandas does *not* check this for you. Parameters ---------- value : array-like or scalar Values to insert into `self`. side : {{'left', 'right'}}, optional If 'left', the index of the first suitable location found is given. If 'right', return the last such index. If there is no suitable index, return either 0 or N (where N is the length of `self`). sorter : 1-D array-like, optional Optional array of integer indices that sort `self` into ascending order. They are typically the result of ``np.argsort``. Returns ------- int or array of int A scalar or array of insertion points with the same shape as `value`. See Also -------- sort_values : Sort by the values along either axis. numpy.searchsorted : Similar method from NumPy. Notes ----- Binary search is used to find the required insertion points. Examples -------- >>> ser = pd.Series([1, 2, 3]) >>> ser 0 1 1 2 2 3 dtype: int64 >>> ser.searchsorted(4) 3 >>> ser.searchsorted([0, 4]) array([0, 3]) >>> ser.searchsorted([1, 3], side='left') array([0, 2]) >>> ser.searchsorted([1, 3], side='right') array([1, 3]) >>> ser = pd.Series(pd.to_datetime(['3/11/2000', '3/12/2000', '3/13/2000'])) >>> ser 0 2000-03-11 1 2000-03-12 2 2000-03-13 dtype: datetime64[ns] >>> ser.searchsorted('3/14/2000') 3 >>> ser = pd.Categorical( ... 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