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updating the regression module
Browse filesupdating the regression module to handle categorical data type
- __pycache__/regression.cpython-310.pyc +0 -0
- app.py +6 -3
- regression.py +121 -0
__pycache__/regression.cpython-310.pyc
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Binary files a/__pycache__/regression.cpython-310.pyc and b/__pycache__/regression.cpython-310.pyc differ
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app.py
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@@ -1,12 +1,15 @@
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from classification import ClassificationModels
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from regression import RegressionModels
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from resume import Resume
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from sklearn.impute import SimpleImputer
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from sklearn.pipeline import Pipeline
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from sklearn.compose import ColumnTransformer
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from sklearn.preprocessing import OneHotEncoder, LabelEncoder, StandardScaler
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import pandas as pd
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import warnings
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@@ -343,7 +346,7 @@ def classification():
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if max_key == "Random Forests":
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random_forests_model = random_forests_model.predict(X)
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X['Predict'] = random_forests_model
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st.write("Model used for Prediction is: Random Forests Model
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if max_key == "SVM":
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svm_model = svm_model.predict(X)
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def regressor():
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with train:
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st.title("Regression / Train data")
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from classification import ClassificationModels
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from regression import RegressionModels
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from resume import Resume
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'''
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from sklearn.impute import SimpleImputer
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from sklearn.pipeline import Pipeline
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from sklearn.compose import ColumnTransformer
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from sklearn.preprocessing import OneHotEncoder, LabelEncoder, StandardScaler
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'''
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import pandas as pd
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import warnings
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if max_key == "Random Forests":
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random_forests_model = random_forests_model.predict(X)
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X['Predict'] = random_forests_model
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st.write("Model used for Prediction is: Random Forests Model:", random_forests_model)
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if max_key == "SVM":
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svm_model = svm_model.predict(X)
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def regressor():
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train, test = st.tabs(['Train','Test'])
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with train:
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st.title("Regression / Train data")
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regression.py
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@@ -1,3 +1,123 @@
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from sklearn.linear_model import LinearRegression, Ridge, Lasso, ElasticNet, LogisticRegression
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from sklearn.preprocessing import PolynomialFeatures
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from sklearn.tree import DecisionTreeRegressor
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@@ -69,3 +189,4 @@ class RegressionModels:
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def predict(self, model_name, X):
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model = self.models[model_name]
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return model.predict(X)
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from sklearn.pipeline import Pipeline
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from sklearn.compose import ColumnTransformer
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from sklearn.preprocessing import OneHotEncoder, StandardScaler
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from sklearn.impute import SimpleImputer
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from sklearn.model_selection import train_test_split
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from sklearn.linear_model import LinearRegression, Ridge, Lasso, ElasticNet, LogisticRegression
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from sklearn.tree import DecisionTreeRegressor
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from sklearn.ensemble import RandomForestRegressor, GradientBoostingRegressor
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from sklearn.svm import SVR
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from xgboost import XGBRegressor
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from lightgbm import LGBMRegressor
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from sklearn.metrics import mean_squared_error, r2_score
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class RegressionModels:
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def __init__(self):
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self.data = None
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self.X_train = None
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self.X_test = None
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self.y_train = None
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self.y_test = None
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self.models = {
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'Linear Regression': LinearRegression(),
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'Polynomial Regression': LinearRegression(),
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'Ridge Regression': Ridge(),
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'Lasso Regression': Lasso(),
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'ElasticNet Regression': ElasticNet(),
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'Logistic Regression': LogisticRegression(),
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'Decision Tree Regression': DecisionTreeRegressor(),
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'Random Forest Regression': RandomForestRegressor(),
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'Gradient Boosting Regression': GradientBoostingRegressor(),
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'Support Vector Regression (SVR)': SVR(),
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'XGBoost': XGBRegressor(),
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'LightGBM': LGBMRegressor()
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}
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def add_data(self, X, y):
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self.data = (X, y)
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def split_data(self, test_size=0.2, random_state=None):
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if self.data is None:
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raise ValueError("No data provided. Use add_data method to add data first.")
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X, y = self.data
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self.X_train, self.X_test, self.y_train, self.y_test = train_test_split(X, y, test_size=test_size, random_state=random_state)
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def build_preprocessor(self):
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# Separate numerical and categorical columns
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numeric_features = self.X_train.select_dtypes(include=['int64', 'float64']).columns
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categorical_features = self.X_train.select_dtypes(include=['object']).columns
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# Define transformers for numerical and categorical data
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numeric_transformer = Pipeline(steps=[
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('imputer', SimpleImputer(strategy='mean')),
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('scaler', StandardScaler())
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])
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categorical_transformer = Pipeline(steps=[
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('imputer', SimpleImputer(strategy='most_frequent')),
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('onehot', OneHotEncoder(handle_unknown='ignore'))
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])
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# Combine transformers using ColumnTransformer
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preprocessor = ColumnTransformer(
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transformers=[
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('num', numeric_transformer, numeric_features),
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('cat', categorical_transformer, categorical_features)
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])
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return preprocessor
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def fit(self, model_name):
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if self.X_train is None or self.y_train is None:
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raise ValueError("Data not split. Use split_data method to split data into training and testing sets.")
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model = self.models[model_name]
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preprocessor = self.build_preprocessor()
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model_pipeline = Pipeline(steps=[
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('preprocessor', preprocessor),
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('model', model)
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])
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model_pipeline.fit(self.X_train, self.y_train)
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def train(self, model_name):
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if self.X_train is None or self.y_train is None or self.X_test is None:
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raise ValueError("Data not split. Use split_data method to split data into training and testing sets.")
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model = self.models[model_name]
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preprocessor = self.build_preprocessor()
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model_pipeline = Pipeline(steps=[
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('preprocessor', preprocessor),
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('model', model)
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])
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model_pipeline.fit(self.X_train, self.y_train)
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y_pred = model_pipeline.predict(self.X_test)
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return y_pred
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def evaluate(self, model_name):
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if self.X_test is None or self.y_test is None:
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raise ValueError("Data not split. Use split_data method to split data into training and testing sets.")
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model = self.models[model_name]
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preprocessor = self.build_preprocessor()
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model_pipeline = Pipeline(steps=[
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('preprocessor', preprocessor),
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('model', model)
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])
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model_pipeline.fit(self.X_train, self.y_train)
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y_pred = model_pipeline.predict(self.X_test)
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mse = mean_squared_error(self.y_test, y_pred)
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r2 = r2_score(self.y_test, y_pred)
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return mse, r2
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def predict(self, model_name, X):
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model = self.models[model_name]
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preprocessor = self.build_preprocessor()
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model_pipeline = Pipeline(steps=[
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('preprocessor', preprocessor),
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('model', model)
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])
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return model_pipeline.predict(X)
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'''
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from sklearn.linear_model import LinearRegression, Ridge, Lasso, ElasticNet, LogisticRegression
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from sklearn.preprocessing import PolynomialFeatures
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from sklearn.tree import DecisionTreeRegressor
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def predict(self, model_name, X):
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model = self.models[model_name]
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return model.predict(X)
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'''
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