pmdarima.utils.c

pmdarima.utils.c(*args)

Imitates the c function from R.

Since this whole library is aimed at re-creating in Python what R has already done so well, the c function was created to wrap numpy.concatenate and mimic the R functionality. Similar to R, this works with scalars, iterables, and any mix therein.

Note that using the c function on multi-nested lists or iterables will fail!

References

[R43]

https://stat.ethz.ch/R-manual/R-devel/library/base/html/c.html

Examples

Using c with varargs will yield a single array:

>>> c(1, 2, 3, 4)
array([1, 2, 3, 4])

Using c with nested lists and scalars will also yield a single array:

>>> c([1, 2], 4, c(5, 4))
array([1, 2, 4, 5, 4])

However, using c with multi-level lists will fail!

>>> c([1, 2, 3], [[1, 2]])  
ValueError: all the input arrays must have same number of dimensions