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numpy.ndarray' object has no attribute 'columns'

ukaegbu daniel answered on October 8, 2022 Popularity 9/10 Helpfulness 4/10

answer numpy.ndarray' object has no attribute 'columns'

numpy.ndarray' object has no attribute 'columns'

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import numpy as np
import pandas as pd
from sklearn.ensemble import RandomForestClassifier
from sklearn.model_selection import train_test_split
from sklearn.feature_selection import SelectFromModel
from scipy.io import arff

data = arff.loadarff("C:\\Users\\manib\\Desktop\\Python Job\\Project Work\\Breast\\Breast.arff")
df = pd.DataFrame(data[0])

df.head()

df["Class"].value_counts()

X = df.iloc[:,:24481].values
y = df.iloc[:, -1].values

from sklearn import preprocessing
label_encoder = preprocessing.LabelEncoder()

y=y.astype('str')

y= label_encoder.fit_transform(y)

X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.4, random_state=0)

sel = SelectFromModel(RandomForestClassifier(n_estimators = 100))
sel.fit(X_train, y_train)

sel.get_support()

selected_feat= X_train.columns[(sel.get_support())]
len(selected_feat)

print(selected_feat)

Popularity 9/10 Helpfulness 4/10 Language python

Source: datascience.stackexchange.com

Tags: object python

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