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Danfo.js Documentation
Getting Started
API reference
General Functions
Input/Output
Series
Creating a Series
Series.append
Series.cumSum
Series.cumMax
Series.cumProd
Series.cumMin
Series.str.split
Series.str.len
Series.str.join
Series.str.trim
Series.str.substring
Series.str.substr
Series.str.slice
Series.str.search
Series.str.repeat
Series.str.replace
Series.str.lastIndexOf
Series.str.indexOf
Series.str.includes
Series.str.endsWith
Series.str.startsWith
Series.str.concat
Series.str.charAt
Series.str.toUpperCase
Series.str.toLowerCase
Series.str.capitalize
Series.dt.seconds
Series.dt.minutes
Series.dt.dayOfMonth
Series.dt.monthName
Series.dt.hours
Series.dt.dayOfWeek
Series.dt.dayOfWeek
Series.dt.month
Series.dt.year
Series.argMax
Series.argMin
Series.argSort
Series.replace
Series.isNa
Series.fillNa
Series.dropNa
Series.dropDuplicates
Series.valueCounts
Series.nUnique
Series.unique
Series.abs
Series.ne
Series.eq
Series.ge
Series.le
Series.gt
Series.lt
Series.iloc
Series.loc
Series.at
Series.iat
Series.ndim
Series.shape
Series.dtype
Series.values
Series.tensor
Series.index
Series.apply
Series.map
Series.setIndex
Series.resetIndex
Series.describe
Series.copy
Series.sortValues
Series.var
Series.std
Series.round
Series.minimum
Series.maximum
Series.count
Series.sum
Series.max
Series.min
Series.mode
Series.median
Series.mean
Series.mod
Series.pow
Series.div
Series.mul
Series.sub
Series.add
Series.sample
Series.tail
Series.head
Series.and
Series.or
Dataframe
Configuration Options
Plotting
Groupby
User Guides
Building Data Driven Applications with Danfo.js - Book
Contributing Guide
Release Notes
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Series.eq
Check all the values in a series is equal to another value
danfo.Series.eq(other)
Parameters
Type
Description
Default
other
Series, Array or number
value to compare
​
Returns: Series (Boolean element)
Examples
Compare all the values in a series to another series
Node
const dfd = require("danfojs-node")
​
let data1 = [10, 45, 56, 25, 23, 20, 10]
let data2 = [10, 450, 56, 5, 25, 2, 0]
let sf1 = new dfd.Series(data1)
let sf2 = new dfd.Series(data2)
​
sf1.eq(sf2).print()
Output
╔═══╤═══════╗
║ 0 │ true ║
╟───┼───────╢
║ 1 │ false ║
╟───┼───────╢
║ 2 │ true ║
╟───┼───────╢
║ 3 │ false ║
╟───┼───────╢
║ 4 │ false ║
╟───┼───────╢
║ 5 │ false ║
╟───┼───────╢
║ 6 │ false ║
╚═══╧═══════╝
Check it all the values are equal to a value
Node
const dfd = require("danfojs-node")
​
let data1 = [10, 45, 56, 25, 23, 20, 10]
let sf1 = new dfd.Series(data1)
​
sf1.eq(10).print()
Output
╔═══╤═══════╗
║ 0 │ true ║
╟───┼───────╢
║ 1 │ false ║
╟───┼───────╢
║ 2 │ false ║
╟───┼───────╢
║ 3 │ false ║
╟───┼───────╢
║ 4 │ false ║
╟───┼───────╢
║ 5 │ false ║
╟───┼───────╢
║ 6 │ true ║
╚═══╧═══════╝
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