code
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left.fillna(method=method, axis=fill_axis, limit=limit)
right.fillna(method=method, axis=fill_axis, limit=limit)
is_datetime64tz_dtype(left.index)
left.__finalize__(self)
right.__finalize__(other)
isinstance(self, ABCSeries)
ValueError("cannot align series to a series other than axis 0")
self.index.equals(other.index)
self._reindex_indexer(join_index, lidx, copy)
other._reindex_indexer(join_index, ridx, copy)
self.index.equals(other.index)
fdata.reindex_indexer(join_index, lidx, axis=1)
self.columns.equals(other.index)
fdata.reindex_indexer(join_index, lidx, axis=0)
ValueError("Must specify axis=0 or 1")
fdata.copy()
self._constructor(fdata)
other.reindex(join_index, level=level)
notna(fill_value)
or (method is not None)
left.fillna(fill_value, method=method, limit=limit, axis=fill_axis)
right.fillna(fill_value, method=method, limit=limit)
or (not is_series and axis == 0)
is_datetime64tz_dtype(left.index)
left.__finalize__(self)
right.__finalize__(other)
validate_bool_kwarg(inplace, "inplace")
com.apply_if_callable(cond, self)
isinstance(cond, NDFrame)
cond.align(self, join="right", broadcast_axis=1)
hasattr(cond, "shape")
np.asanyarray(cond)
ValueError("Array conditional must be same shape as self")
self._constructor(cond, **self._construct_axes_dict()
bool(inplace)
cond.fillna(fill_value)
isinstance(cond, ABCDataFrame)
is_bool_dtype(cond)
ValueError(msg.format(dtype=cond.dtype)
is_bool_dtype(dt)
ValueError(msg.format(dtype=dt)
hasattr(other, "align")
other._get_axis(i)
equals(ax)
enumerate(self.axes)
isinstance(other, np.ndarray)
len(other)
np.array(other[0])
len(cond[icond])
len(other)
first (if try_quick)
np.asarray(self)
new_other.copy()
self._constructor(other, **self._construct_axes_dict()
getattr(other, "ndim", 0)
self._get_axis_number(axis)
self._get_block_manager_axis(axis)
self._check_inplace_setting(other)
self._update_inplace(new_data)
self._constructor(new_data)
__finalize__(self)
s (though pandas doesn't check it)
s (though pandas doesn't check it)
type (if possible)
df1.where(m, df2)
np.where(m, df1, df2)
pd.Series(range(5)
s.where(s > 0)
s.mask(s > 0)
s.where(s > 1, 10)
pd.DataFrame(np.arange(10)
reshape(-1, 2)
df.where(m, -df)
df.where(m, -df)
np.where(m, df, -df)
df.where(m, -df)
df.mask(~m, -df)
com.apply_if_callable(other, self)
validate_bool_kwarg(inplace, "inplace")
com.apply_if_callable(cond, self)
hasattr(cond, "__invert__")
np.array(cond)
rule (e.g. 'EOM')
df.shift(periods=3)
df.shift(periods=1, axis='columns')
df.shift(periods=3, fill_value=0)
Appender(_shared_docs["shift"] % _shared_doc_kwargs)
self.copy()
self._get_block_manager_axis(axis)
self.tshift(periods, freq)
self._constructor(new_data)
__finalize__(self)
slice_shift(self: FrameOrSeries, periods: int = 1, axis=0)
slice(None, -periods)
slice(periods, None)
slice(-periods, None)
slice(None, periods)
self._slice(vslicer, axis=axis)
self._get_axis(axis)
new_obj.set_axis(shifted_axis, axis=axis, inplace=True)