danfo.dateRange
Return a fixed frequency Dates spread between start and end parameters.
danfo.dateRange(options)
Parameters
Type
Description
options
Object
Includes any of the following:
start: Left bound for generating dates.
end: Right bound for generating dates.
period : Number of periods to generate.
offSet: Date range offset
freq: Date range frequency. One of ["M","D","s","H","m","Y"]

Examples

Node
Browser
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const dfd = require("danfojs-node")
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let data = new dfd.dateRange({"start":'1/1/2018', period:5, freq:'M'})
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console.log(data);
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<!--danfojs CDN -->
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<script src="https://cdn.jsdelivr.net/gh/opensource9ja/[email protected]/lib/bundle.js"></script>
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<title>Document</title>
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</head>
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<body>
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<script>
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let data = new dfd.date_range({"start":'1/1/2018',period:5, freq:'M'})
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console.log(data);
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</script>
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</body>
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</html>
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Output
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[
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'1/1/2018, 12:00:00 AM',
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'2/1/2018, 12:00:00 AM',
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'3/1/2018, 12:00:00 AM',
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'4/1/2018, 12:00:00 AM',
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'5/1/2018, 12:00:00 AM'
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]
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Node
Browser
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const dfd = require("danfojs-node")
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let data = new dfd.dateRange({ "start": '1/1/2018', period: 12, freq: 'Y' })
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console.log(data);
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Output
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[
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'1/1/2018, 12:00:00 AM',
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'1/1/2019, 12:00:00 AM',
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'1/1/2020, 12:00:00 AM',
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'1/1/2021, 12:00:00 AM',
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'1/1/2022, 12:00:00 AM',
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'1/1/2023, 12:00:00 AM',
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'1/1/2024, 12:00:00 AM',
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'1/1/2025, 12:00:00 AM',
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'1/1/2026, 12:00:00 AM',
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'1/1/2027, 12:00:00 AM',
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'1/1/2028, 12:00:00 AM',
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'1/1/2029, 12:00:00 AM'
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]
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Datetime properties of Series or datetime-like columns in DataFrame can be accessed via accessors in the dt name space. See Accessors
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Examples