DataFrame.nunique
danfo.DataFrame.nunique(axis) [source]
Parameters | Type | Description | Default |
axis | Int | 0 for row axis, and 1 for column axis | 1 |
Returns:
return Series
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const dfd = require("danfojs-node")let data = { "A": [-20, 30, 47.3, -20] ,"B": [34, -4, 5, 6] ,"C": [20, 20, 30, 30],"D": ["a", "b", "c", "c"] }let df = new dfd.DataFrame(data)df.nunique().print()
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Output
╔═══╤══════════════════════╗║ │ 0 ║╟───┼──────────────────────╢║ A │ 3 ║╟───┼──────────────────────╢║ B │ 4 ║╟───┼──────────────────────╢║ C │ 2 ║╟───┼──────────────────────╢║ D │ 3 ║╚═══╧══════════════════════╝
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const dfd = require("danfojs-node")let data = { "A": [-20, 30, 47.3, -20] ,"B": [34, -4, 5, 6] ,"C": [20, 20, 30, 30],"D": ["a", "b", "c", "c"] }let df = new dfd.DataFrame(data)df.nunique(axis=0).print()
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Output
╔═══╤══════════════════════╗║ │ 0 ║╟───┼──────────────────────╢║ 0 │ 4 ║╟───┼──────────────────────╢║ 1 │ 4 ║╟───┼──────────────────────╢║ 2 │ 4 ║╟───┼──────────────────────╢║ 3 │ 4 ║╚═══╧══════════════════════╝
Note: To get the unique elements along an axis, use DataFrame.unique.
Last updated 11 months ago