series.dropna.md

description
Remove missing values from Series

Series.dropNa

danfo.Series.dropNa(options) [source]

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

Drop all missing values and then return New Series.

{% tabs %} {% tab title="Node" %}

const dfd = require("danfojs-node")

let data1 = [10, 45, undefined, 10, 23, 20, null, 10]
let sf = new dfd.Series(data1)
let sf_rep = sf.dropNa()

sf_rep.print()

{% endtab %} {% endtabs %}

{% tabs %} {% tab title="Output" %}

╔═══╤════╗
║ 0 │ 10 ║
╟───┼────╢
║ 1 │ 45 ║
╟───┼────╢
║ 3 │ 10 ║
╟───┼────╢
║ 4 │ 23 ║
╟───┼────╢
║ 5 │ 20 ║
╟───┼────╢
║ 7 │ 10 ║
╚═══╧════╝

{% endtab %} {% endtabs %}

Drop nan values in-place

{% tabs %} {% tab title="Node" %}

const dfd = require("danfojs-node")

let data1 = [10, 45, undefined, 10, 23, 20, undefined, 10]
let sf = new dfd.Series(data1)
sf.dropNa({inplace:true})

sf.print()

{% endtab %} {% endtabs %}

{% tabs %} {% tab title="Output" %}

╔═══╤════╗
║ 0 │ 10 ║
╟───┼────╢
║ 1 │ 45 ║
╟───┼────╢
║ 3 │ 10 ║
╟───┼────╢
║ 4 │ 23 ║
╟───┼────╢
║ 5 │ 20 ║
╟───┼────╢
║ 7 │ 10 ║
╚═══╧════╝

{% endtab %} {% endtabs %}