DataFrame.ctypes
Return the inferred column types in the DataFrame. This returns a Series with the data type of each column. The result’s index is the original DataFrame’s columns.
danfo.DataFrame.dtypes [source]
Returns:
return Series
Returns auto-generated index of a DataFrame
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Node
const dfd = require("danfojs-node")let data = {"A": [-20.1, 30, 47.3, -20],"B": [34, -4, 5, 6],"C": [20, -20, 30, -40]}let df = new dfd.DataFrame(data)df.ctypes.print()
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Output
╔═══╤══════════════════════╗║ │ 0 ║╟───┼──────────────────────╢║ A │ float32 ║╟───┼──────────────────────╢║ B │ int32 ║╟───┼──────────────────────╢║ C │ int32 ║╚═══╧══════════════════════╝
Columns with mixed types are represented as string.
Node
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Node
const dfd = require("danfojs-node")let data = {"A": [-20.1, 30, 47.3, -20],"B": [34, -4, 5, 6],"C": [20, -20, 30, -40],"D": ["a", "b", 20, 2.5]}let df = new dfd.DataFrame(data)df.ctypes.print()
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Output
Output
╔═══╤══════════════════════╗║ │ 0 ║╟───┼──────────────────────╢║ A │ float32 ║╟───┼──────────────────────╢║ B │ int32 ║╟───┼──────────────────────╢║ C │ int32 ║╟───┼──────────────────────╢║ D │ string ║╚═══╧══════════════════════╝
Note: To cast a type, use the astype method.
Last updated 8 months ago