cf.Index.roll¶

Index.
roll
(*args, **kwargs)[source]¶ Roll the data along one or more axes.
Elements that roll beyond the last position are reintroduced at the first.
See also
 Parameters
 axis:
int
, ortuple
ofint
Axis or axes along which elements are shifted.
 Parameter example:
Roll the second axis:
axis=1
. Parameter example:
Roll the last axis:
axis=1
. Parameter example:
Roll the first and last axes:
axis=(0, 1)
.
 shift:
int
, ortuple
ofint
The number of places by which elements are shifted. If a
tuple
, then axis must be a tuple of the same size, and each of the given axes is shifted by the corresponding number. If anint
while axis is atuple
ofint
, then the same value is used for all given axes. inplace:
bool
, optional If True then do the operation inplace and return
None
. i: deprecated at version 3.0.0
Use the inplace parameter instead.
 axis:
 Returns
Examples
>>> print(f.array) [ 0 1 2 3 4 5 6 7 8 9 10 11] >>> print(f.roll(0, 2).array) [10 11 0 1 2 3 4 5 6 7 8 9] >>> print(f.roll(0, 2).array) [ 2 3 4 5 6 7 8 9 10 11 0 1]