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leadprediction
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# Importing libraries | |
import pandas as pd | |
import statsmodels.api as sm | |
from sklearn.model_selection import train_test_split | |
from sklearn.preprocessing import StandardScaler | |
from sklearn.linear_model import LogisticRegression | |
from sklearn.feature_selection import RFE | |
#Import data | |
df_Leads = pd.DataFrame(pd.read_csv('/Leads.csv')) | |
X = df_Leads.drop(['Prospect ID','Converted'], axis=1) | |
y = df_Leads['Converted'] | |
#Train/test split | |
X_train, X_test, y_train, y_test = | |
train_test_split(X, y, train_size=0.7, test_size=0.3, random_state=100) | |
# instantiating the standard scaler | |
scaler = StandardScaler() | |
num_cols = X_train[['TotalVisits','Total Time Spent on Website','Page Views Per Visit']] | |
# Scaling the numerical columns.. | |
X_train[['TotalVisits','Total Time Spent on Website','Page Views Per Visit']] = | |
scaler.fit_transform(num_cols) | |
# logistic regression - RFE | |
logreg = LogisticRegression() | |
rfe = RFE(logreg, 15) | |
rfe = rfe.fit(X_train, y_train) | |
col = X_train.columns[rfe.support_] | |
# train model | |
X_train_sm = sm.add_constant(X_train[col]) | |
logm = sm.GLM(y_train,X_train_sm, family = sm.families.Binomial()) | |
res = logm.fit() | |
res.summary() | |
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