Series.sub

Return Subtraction of series and other, element-wise (binary operator sub).

danfo.Series.sub(other, options)

Parameters	Type	Description	Default
other	Series|int|	values
options	Object	inplace: Boolean indicating whether to perform the operation inplace or not. Defaults to false	{ inplace: false }

Return: Series

Example

subtract from values of another series

Node

const dfd = require("danfojs-node")

let data1 = [30, 40, 3, 5]
let data2 = [1, 2, 3, 4]
let sf1 = new dfd.Series(data1)
let sf2 = new dfd.Series(data2)
sf1.sub(sf2).print()

Output

╔═══╤══════════════════════╗
║   │ 0                    ║
╟───┼──────────────────────╢
║ 0 │ 29                   ║
╟───┼──────────────────────╢
║ 1 │ 38                   ║
╟───┼──────────────────────╢
║ 2 │ 0                    ║
╟───┼──────────────────────╢
║ 3 │ 1                    ║
╚═══╧══════════════════════╝

subtract from a value

Node

const dfd = require("danfojs-node")

let data1 = [1, 2, 3, 4, 5]
let sf1 = new dfd.Series(data1)

sf1.sub(2).print()

Output

╔═══╤══════════════════════╗
║   │ 0                    ║
╟───┼──────────────────────╢
║ 0 │ -1                   ║
╟───┼──────────────────────╢
║ 1 │ 0                    ║
╟───┼──────────────────────╢
║ 2 │ 1                    ║
╟───┼──────────────────────╢
║ 3 │ 2                    ║
╟───┼──────────────────────╢
║ 4 │ 3                    ║
╚═══╧══════════════════════╝