Series.count
Returns the total number of non-null elements in a series
danfo.Series.count()
Parameter: None
Return: Number
Example
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())
Output
9
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