| description |
|---|
Returns the total number of non-null elements in a series |
danfo.Series.count()
Parameter: None
Return: Number
Example
{% tabs %} {% tab title="Node" %}
const dfd = require("danfojs-node")
let data1 = [20, 30, 1, 2, 4, 57, 89, 0, 4]
let sf1 = new dfd.Series(data1)
console.log(sf1.count()){% endtab %} {% endtabs %}
{% tabs %} {% tab title="Output" %}
9
{% endtab %} {% endtabs %}