DataFrame.It

Get Less than of DataFrame and other, element-wise (binary operator eq).

danfo.DataFrame.lt(other, option)

Parameters
Type
Description
Default

other

DataFrame, Series, Array, Scalar

Data structure, or array-like object to compare against

option

Object

axis: 0 or 1. If 0, add column-wise, if 1, add row-wise

{axis: 1}

Examples

Comparing a DataFrame with a scalar value:

const dfd = require("danfojs-node")

let data = {"Col1": [10, 45, 56, 10],
           "Col2": [23, 20, 10, 24]}
let df = new dfd.DataFrame(data)

let df_rep = df.lt(20)

df_rep.print()
╔═══╀═══════════════════╀═══════════════════╗
β•‘   β”‚ Col1              β”‚ Col2              β•‘
β•Ÿβ”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β•’
β•‘ 0 β”‚ true              β”‚ false             β•‘
β•Ÿβ”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β•’
β•‘ 1 β”‚ false             β”‚ false             β•‘
β•Ÿβ”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β•’
β•‘ 2 β”‚ false             β”‚ true              β•‘
β•Ÿβ”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β•’
β•‘ 3 β”‚ true              β”‚ false             β•‘
β•šβ•β•β•β•§β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•§β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•β•

Comparing a DataFrame with a Series along the column axis:

Comparing a DataFrame with another DataFrame

Comparing a DataFrame with an Array

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