DataFrame.column
Return the elements of the specified column as a Series
danfo.DataFrame.column(column)
Parameters | Type | Description | Default |
|---|---|---|---|
column | String | The name of a column in the DataFrame | |
Node
Browser
const dfd = require("danfojs-node")
let data = { "Name": ["Apples", "App", "Banana", undefined],
"Count": [NaN, 5, NaN, 10] ,
"Price": [200, 300, 40, 250] }
let df = new dfd.DataFrame(data)
df.column("Name").print()
//Alternatively, you can retrieve columns by using the object property
df['Name'].print() //produces the same result as above
Output
╔═══╤═══════════╗
║ 0 │ Apples ║
╟───┼───────────╢
║ 1 │ App ║
╟───┼───────────╢
║ 2 │ Banana ║
╟───┼───────────╢
║ 3 │ undefined ║
╚═══╧═══════════╝
╔═══╤═══════════╗
║ 0 │ Apples ║
╟───┼───────────╢
║ 1 │ App ║
╟───┼───────────╢
║ 2 │ Banana ║
╟───┼───────────╢
║ 3 │ undefined ║
╚═══╧═══════════╝
To select more than one column with specific rows, you can use any of the following: DataFrame.loc, DataFrame.iloc or DataFrame.query
Last modified 1yr ago