expand_grid

In [1]:

# https://tidyr.tidyverse.org/reference/expand_grid.html
%run nb_helpers.py

from datar.all import *

nb_header(expand_grid)

# https://tidyr.tidyverse.org/reference/expand_grid.html %run nb_helpers.py from datar.all import * nb_header(expand_grid)

Try this notebook on binder.

★ expand_grid

¶

Expand a grid¶

Args:¶

  x: A numeric vector
  *args: Additional numeric vectors
  **kwargs: Additional keyword arguments

Returns:¶

  The expanded grid

In [2]:

expand_grid(x=seq(1,3), y=seq(1,2))

expand_grid(x=seq(1,3), y=seq(1,2))

Out[2]:

	x	y
	<int64>	<int64>
0	1	1
1	1	2
2	2	1
3	2	2
4	3	1
5	3	2

In [3]:

expand_grid(l1=letters, l2=LETTERS)

expand_grid(l1=letters, l2=LETTERS)

Out[3]:

	l1	l2
	<object>	<object>
0	a	A
1	a	B
2	a	C
3	a	D
...	...	...
4	a	E
671	z	V
672	z	W
673	z	X
674	z	Y
675	z	Z

676 rows × 2 columns

In [4]:

expand_grid(df=tibble(x=[1,2], y=c(2, 1)), z=[1,2,3])

expand_grid(df=tibble(x=[1,2], y=c(2, 1)), z=[1,2,3])

Out[4]:

	df$x	df$y	z
	<int64>	<int64>	<int64>
0	1	2	1
1	1	2	2
2	1	2	3
3	2	1	1
4	2	1	2
5	2	1	3

In [5]:

expand_grid(x1=tibble(a=[1,2], b=[3,4]), x2=tibble(a=[5,6], b=[7,8]))

expand_grid(x1=tibble(a=[1,2], b=[3,4]), x2=tibble(a=[5,6], b=[7,8]))

Out[5]:

	x1$a	x1$b	x2$a	x2$b
	<int64>	<int64>	<int64>	<int64>
0	1	3	5	7
1	1	3	6	8
2	2	4	5	7
3	2	4	6	8