Series.sample
Returns a random sample of items from an axis of object.
danfo.Series.sample(num)
Parameters
Type
Description
Default
num
Int
The number of rows to return.
options
Object
seed: An integer specifying the random seed that will be used to create the distribution. Ensures reproducibility of generated samples.
{
seed: 1
}
Returns:
**** return {Promies} resolves to Series
Example
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const dfd = require("danfojs-node")
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async function sample_data() {
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let data1 = [1, 2, 3, 4, 5, 620, 30, 40, 39, 89, 78];
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let sf1 = new dfd.Series(data1);
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let sample = await sf1.sample(5)
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sample.print()
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}
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sample_data()
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Output
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╔═══╤════╗
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║ 2 │ 3 ║
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╟───┼────╢
4
║ 4 │ 5 ║
5
╟───┼────╢
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║ 0 │ 1 ║
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╟───┼────╢
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║ 7 │ 40 ║
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╟───┼────╢
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║ 6 │ 30 ║
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╚═══╧════╝
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Specify a seed when sampling
1
const dfd = require("danfojs-node")
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async function sample_data() {
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let data1 = [1, 2, 3, 4, 5, 620, 30, 40, 39, 89, 78];
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let sf1 = new dfd.Series(data1);
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let sample = await sf1.sample(5, { seed: 5 })
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sample.print()
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}
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sample_data()
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Last modified 4mo ago
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Specify a seed when sampling