const dfd = require("danfojs-node")
let data = { fruits: ['pear', 'mango', "pawpaw", "mango", "bean"] ,
Count: [20, 30, 89, 12, 30],
Country: ["NG", "NG", "GH", "RU", "RU"]}
let df = new dfd.DataFrame(data)
let encode = new dfd.LabelEncoder()
let sf_enc = encode.transform(df['fruits'].values)
let new_sf = encode.transform(["mango","mane"])