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DataFrame.cumProd
Return cumulative product over a DataFrame or Series axis.
danfo.DataFrame.
cumProd
(options) [
source
]
Parameters
Type
Description
Default
options
Object
axis
: 0 for row and 1 for column
inplace
: Boolean indicating whether to perform the operation inplace or not. Defaults to false
{axis: 1, inplace: false}
Examples
Cumulative product of elements along default axis 1 (column)
Node
Browser
const
dfd
=
require
(
"danfojs-node"
)
let
data
=
[[
11
,
20
,
3
],
[
1
,
15
,
6
],
[
2
,
30
,
40
],
[
2
,
89
,
78
]]
let
cols
=
[
"A"
,
"B"
,
"C"
]
let
df
=
new
dfd
.
DataFrame
(
data
,
{
columns
:
cols
})
let
new_df
=
df
.
cumProd
()
new_df
.
print
()
Output
╔════════════╤═══════════════════╤═══════════════════╤═══════════════════╗
║ │ A │ B │ C ║
╟────────────┼───────────────────┼───────────────────┼───────────────────╢
║ 0 │ 11 │ 220 │ 660 ║
╟────────────┼───────────────────┼───────────────────┼───────────────────╢
║ 1 │ 1 │ 15 │ 90 ║
╟────────────┼───────────────────┼───────────────────┼───────────────────╢
║ 2 │ 2 │ 60 │ 2400 ║
╟────────────┼───────────────────┼───────────────────┼───────────────────╢
║ 3 │ 2 │ 178 │ 13884 ║
╚════════════╧═══════════════════╧═══════════════════╧═══════════════════╝
Cumulative product of elements along column axis (1)
Node
Browser
const
dfd
=
require
(
"danfojs-node"
)
let
data
=
[[
11
,
20
,
3
],
[
1
,
15
,
6
],
[
2
,
30
,
40
],
[
2
,
89
,
78
]]
let
cols
=
[
"A"
,
"B"
,
"C"
]
let
df
=
new
dfd
.
DataFrame
(
data
,
{
columns
:
cols
})
let
new_df
=
df
.
cumProd
({
axis
:
1
})
new_df
.
print
()
Output
╔════════════╤═══════════════════╤═══════════════════╤═══════════════════╗
║ │ A │ B │ C ║
╟────────────┼───────────────────┼───────────────────┼───────────────────╢
║ 0 │ 11 │ 220 │ 660 ║
╟────────────┼───────────────────┼───────────────────┼───────────────────╢
║ 1 │ 1 │ 15 │ 90 ║
╟────────────┼───────────────────┼───────────────────┼───────────────────╢
║ 2 │ 2 │ 60 │ 2400 ║
╟────────────┼───────────────────┼───────────────────┼───────────────────╢
║ 3 │ 2 │ 178 │ 13884 ║
╚════════════╧═══════════════════╧═══════════════════╧═══════════════════╝
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Examples
Cumulative product of elements along default axis 1 (column)
Cumulative product of elements along column axis (1)