import streamlit as st from src.data_reader import DataReader from datetime import datetime from src.feature_handler import FeatureHandler from src.model_trainer import ModelTrainer from src.evaluator import Evaluator from src.config import * import pandas as pd import json def extract_column_info(df): column_info = {} for column in df.columns: column_info[column] = { "feature_name": column, "is_selected": True, "feature_variable_type": str(df[column].dtype), "feature_details": { "numerical_handling": None, "rescaling": False, "scaling_type": None, "make_derived_feats": False, "missing_values": "Impute", "impute_with": None } } return column_info def extract_algorithms_info(algo_list): algo_info = {} for algo in algo_list: algo_info[algo] = { "model_name" : algo, "is_selected" : False, "random_state" : [42] } return algo_info def generate_json(session_name, dataset_name, target, train, feature_handling, algorithms): json_data = { "session_name": session_name, "session_description": session_name, "design_state_data": { "session_info": { "dataset": dataset_name, "session_name": session_name, "session_description": session_name }, "target": target, "train": train, "feature_handling": feature_handling, "algorithms": algorithms } } return json_data def train_models(save_file_path, json_file): if json_file is not None: with st.spinner('Hang On, Training Models For You...'): # Read the RTF file and parse the JSON content data_reader = DataReader(rtf_file_path=save_file_path) json_content = data_reader.rtf_to_json_parser() # Extract dataset information from JSON problem_type, target_variable = data_reader.get_problem_type_and_target_variable() # Extract feature names and target variable from JSON content selected_features, feature_details = data_reader.get_selected_features_and_details() # Transform features feature_handler = FeatureHandler(json_content) X_train, X_test, y_train, y_test = feature_handler.get_split_dataset(selected_features) X_train_transformed , X_test_transformed = feature_handler.transform_X_features(X_train, X_test, feature_details) y_train_transformed , y_test_transformed = feature_handler.transform_y_features(y_train, y_test, feature_details, target_variable) # Model building and hyperparameter tuning selected_models, model_parameters = data_reader.get_selected_models() model_trainer = ModelTrainer(json_content) trained_models = model_trainer.build_and_tune_model(X_train_transformed, y_train_transformed, problem_type, selected_models, model_parameters) # Evaluate the model evaluator = Evaluator(json_content, problem_type, target_variable) evaluation_results = evaluator.evaluate_model(trained_models, X_test_transformed, y_test_transformed) # display bar chart of evaluation results st.subheader("Different Model Comparison") evaluator.display_metrics(evaluation_results) else: st.error("Please upload a JSON file first.") def create_json_and_train(): st.write("### Upload Dataset: ") uploaded_file = st.file_uploader("Upload Dataset CSV", type=['csv']) if uploaded_file is not None: uploaded_file_name = uploaded_file.name uploaded_file_path = f"data/{uploaded_file_name}" with open(uploaded_file_path, "wb") as f: f.write(uploaded_file.getbuffer()) df = pd.read_csv(uploaded_file) st.write("### Sample Data:") st.write(df.head()) # Extract column information column_info = extract_column_info(df) # take input for prediction_type st.write("### Select Prediction Parameters:") prediction_type = st.selectbox("Prediction Type", ["Regression", "Classification"], key="prediction_selectbox") # Checkbox for selecting target columns and feature details target_variable = st.selectbox("Target Variable", df.columns, key="target_selectbox") # add option to let user select how to encode target variable column_info[target_variable]["feature_details"] = {} # if target_variable is of category type, add option to label encode if column_info[target_variable]["feature_variable_type"] == "object": column_info[target_variable]["feature_details"]["text_handling"] = st.selectbox("Text Handling", ["Tokenize and hash", "Label Encoding"], key="text_handling_selectbox", index=0) train = {} train["k_fold"] = st.number_input("K-Fold", min_value=2, value=5, step=1, key="kfold") train["train_ratio"] = st.number_input("Train Ratio", min_value=0.0, max_value=1.0, value=0.8, step=0.1, key="train_ratio") train["random_seed"] = st.number_input("Random Seed", min_value=0, value=42, step=1, key="random_seed") target = {"prediction_type": prediction_type, "target": target_variable, "type": prediction_type, "partitioning": True} st.write("### Select Columns to Include:") for column in column_info: if column != target_variable: column_info[column]["is_selected"] = st.checkbox(column, key=f"{column}_checkbox", value=False) if column_info[column]["is_selected"]: with st.expander(f"{column} Feature Handling", expanded=False): column_info[column]["feature_details"]["rescaling"] = st.checkbox("Rescaling", key=f"{column}_scaling_checkbox") if column_info[column]["feature_details"]["rescaling"] and column_info[column]["feature_variable_type"] != "object": column_info[column]["feature_details"]["scaling_type"] = st.selectbox("Scaling Type", ["MinMaxScaler", "StandardScaler"], key=f"{column}_scaling_type_select") column_info[column]["feature_details"]["missing_values"] = st.checkbox("Imputation", key=f"{column}_imputation_checkbox") if column_info[column]["feature_details"]["missing_values"]: column_info[column]["feature_details"]["impute_with"] = st.selectbox("Imputation With", ["Mean", "Median", "Mode", "Custom"], key=f"{column}_imputation_type_select") if column_info[column]["feature_details"]["impute_with"] == "Custom": column_info[column]["feature_details"]["custom_impute_value"] = st.text_input(f"Custom Impute Value", key=f"{column}_imputation_value_input") if column_info[column]["feature_variable_type"] == "object": column_info[column]["feature_details"]["encoding"] = st.selectbox("Encode Categorical Feature with", ["OridnalEncoder", "OneHotEncoder"], key = f"{column}_encoding_type") # Checkbox for selecting columns st.write(f"### Select {prediction_type} Algorithms:") if prediction_type == "Regression": algorithms_list = ["RandomForestRegressor", "LinearRegression", "RidgeRegression", "LassoRegression", "ElasticNetRegression","xg_boost", "DecisionTreeRegressor", "SVM", "KNN", "neural_network"] else: algorithms_list = ["RandomForestClassifier", "LogisticRegression", "xg_boost", "DecisionTreeClassifier", "SVM", "KNN", "neural_network"] algo_info = extract_algorithms_info(algorithms_list) for algo in algo_info: algo_info[algo]["is_selected"] = st.checkbox(algo, key=f"{algo}_checkbox") if algo_info[algo]["is_selected"]: with st.expander(f"{algo} HyperParameters", expanded=False): if algo == "RandomForestClassifier" or algo == "RandomForestRegressor": algo_info[algo]["min_trees"] = st.number_input("Minimum Trees", min_value=1, max_value=100, value=10, step=1, key=f"{algo}_min_trees") algo_info[algo]["max_trees"] = st.number_input("Maximum Trees", min_value=1, max_value=100, value=30, step=1, key=f"{algo}_max_trees") algo_info[algo]["min_depth"] = st.number_input("Minimum Depth", min_value=1, max_value=100, value=20, step=1, key=f"{algo}_min_depth") algo_info[algo]["max_depth"] = st.number_input("Maximum Depth", min_value=1, max_value=100, value=30, step=1, key=f"{algo}_max_depth") algo_info[algo]["min_samples_per_leaf_min_value"] = st.number_input("Minimum Samples Per Leaf", min_value=1, max_value=100, value=5, step=1, key=f"{algo}_min_samples_per_leaf") algo_info[algo]["min_samples_per_leaf_max_value"] = st.number_input("Maximum Samples Per Leaf", min_value=1, max_value=100, value=50, step=1, key=f"{algo}_max_samples_per_leaf") elif algo == "LinearRegression" or algo == "LogisticRegression" or algo == "ElasticNetRegression": algo_info[algo]["min_iter"] = st.number_input("Minimum Iterations", min_value=1, max_value=100, value=30, step=1, key=f"{algo}_min_iter") algo_info[algo]["max_iter"] = st.number_input("Maximum Iterations", min_value=1, max_value=100, value=50, step=1, key=f"{algo}_max_iter") algo_info[algo]["min_regparam"] = st.number_input("Minimum Regularization Parameter", min_value=0.0, max_value=1.0, value=0.5, step=0.1, key=f"{algo}_min_regparam") algo_info[algo]["max_regparam"] = st.number_input("Maximum Regularization Parameter", min_value=0.0, max_value=1.0, value=0.8, step=0.1, key=f"{algo}_max_regparam") algo_info[algo]["min_elasticnet"] = st.number_input("Minimum Elasticnet", min_value=0.0, max_value=1.0, value=0.5, step=0.1, key=f"{algo}_min_elasticnet") algo_info[algo]["max_elasticnet"] = st.number_input("Maximum Elasticnet", min_value=0.0, max_value=1.0, value=0.8, step=0.1, key=f"{algo}_max_elasticnet") elif algo == "RidgeRegression" or algo == "LassoRegression": algo_info[algo]["min_iter"] = st.number_input("Minimum Iterations", min_value=1, max_value=100, value=30, step=1, key=f"{algo}_min_iter") algo_info[algo]["max_iter"] = st.number_input("Maximum Iterations", min_value=1, max_value=100, value=50, step=1, key=f"{algo}_max_iter") algo_info[algo]["min_regparam"] = st.number_input("Minimum Regularization Parameter", min_value=0.0, max_value=1.0, value=0.5, step=0.1, key=f"{algo}_min_regparam") algo_info[algo]["max_regparam"] = st.number_input("Maximum Regularization Parameter", min_value=0.0, max_value=1.0, value=0.8, step=0.1, key=f"{algo}_max_regparam") elif algo == "DecisionTreeClassifier" or algo == "DecisionTreeRegressor": algo_info[algo]["min_depth"] = st.number_input("Minimum Depth", min_value=1, max_value=100, value=4, step=1, key=f"{algo}_min_depth") algo_info[algo]["max_depth"] = st.number_input("Maximum Depth", min_value=1, max_value=100, value=7, step=1, key=f"{algo}_max_depth") algo_info[algo]["use_gini"] = st.checkbox("Use Gini Index", value=False, key=f"{algo}_use_gini") algo_info[algo]["use_entropy"] = st.checkbox("Use Entropy", value=True, key=f"{algo}_use_entropy") algo_info[algo]["min_samples_per_leaf"] = st.text_input("Minimum Samples Per Leaf", placeholder="Enter comma separated list of values for min_samples_per_leaf", key=f"{algo}_min_samples_per_leaf") # check if min_samples_per_leaf is there if algo_info[algo]["min_samples_per_leaf"]: algo_info[algo]["min_samples_per_leaf"] = [int(x) for x in algo_info[algo]["min_samples_per_leaf"].split(",")] else: algo_info[algo]["min_samples_per_leaf"] = [12, 6] algo_info[algo]["use_best"] = st.checkbox("Use Best", value=True, key=f"{algo}_use_best") algo_info[algo]["use_random"] = st.checkbox("Use Random", value=True, key=f"{algo}_use_random") elif algo == "SVM": algo_info[algo]["linear_kernel"] = st.checkbox("Linear Kernel", value=True, key=f"{algo}_linear_kernel") algo_info[algo]["rep_kernel"] = st.checkbox("Rep Kernel", value=True, key=f"{algo}_rep_kernel") algo_info[algo]["polynomial_kernel"] = st.checkbox("Polynomial Kernel", value=True, key=f"{algo}_polynomial_kernel") algo_info[algo]["sigmoid_kernel"] = st.checkbox("Sigmoid Kernel", value=True, key=f"{algo}_sigmoid_kernel") algo_info[algo]["c_value"] = st.text_input("C Value", placeholder="Enter comma separated list of values for C Value", key=f"{algo}_c_value") # convert c values into list of integers if algo_info[algo]["c_value"]: algo_info[algo]["c_value"] = [int(x) for x in algo_info[algo]["c_value"].split(",")] else: algo_info[algo]["c_value"] = [566, 79] algo_info[algo]["auto"] = st.checkbox("Auto", value=True, key=f"{algo}_auto") algo_info[algo]["scale"] = st.checkbox("Scale", value=True, key=f"{algo}_scale") algo_info[algo]["custom_gamma_values"] = st.checkbox("Custom Gamma Values", value=True, key=f"{algo}_custom_gamma_values") algo_info[algo]["tolerance"] = [st.number_input("Tolerance", min_value=0.0, max_value=1.0, value=0.001, step=0.001, key=f"{algo}_tolerance")] algo_info[algo]["max_iterations"] = st.number_input("Maximum Iterations", min_value=1, max_value=100, value=10, step=1, key=f"{algo}_max_iterations") if algo_info[algo]["max_iterations"]: algo_info[algo]["max_iterations"] = [algo_info[algo]["max_iterations"]] elif algo == "KNN": algo_info[algo]["k_value"] = st.text_input("K Value", placeholder="Enter comma separated list of values for K Value", key=f"{algo}_k_value") if algo_info[algo]["k_value"]: algo_info[algo]["k_value"] = [int(x) for x in algo_info[algo]["k_value"].split(",")] else: algo_info[algo]["k_value"] = [78] algo_info[algo]["distance_weighting"] = [st.checkbox("Distance Weighting", value=True, key=f"{algo}_distance_weighting")] algo_info[algo]["neighbour_finding_algorithm"] = st.selectbox("Neighbour Finding Algorithm", ["auto", "ball_tree", "kd_tree", "brute"], key=f"{algo}_neighbour_finding_algorithm", index=0) algo_info[algo]["p_value"] = st.number_input("P Value", min_value=1, max_value=2, value=1, step=1, key=f"{algo}_p_value") elif algo == "neural_network": algo_info[algo]["hidden_layer_sizes"] = st.text_input("Hidden Layer Sizes", placeholder="Enter comma separated list of values for Hidden Layer Sizes", key=f"{algo}_hidden_layer_sizes") if algo_info[algo]["hidden_layer_sizes"]: algo_info[algo]["hidden_layer_sizes"] = [int(x) for x in algo_info[algo]["hidden_layer_sizes"].split(",")] else: algo_info[algo]["hidden_layer_sizes"] = [67, 89] algo_info[algo]["activation"] = "" algo_info[algo]["alpha_value"] = [st.number_input("Alpha Value", min_value=0.0, max_value=1.0, value=0.01, step=0.0001, key=f"{algo}_alpha_value")] algo_info[algo]["max_iterations"] = [st.number_input("Max Iterations", min_value=0, max_value=1000, value=10, step=100, key=f"{algo}_max_iterations")] algo_info[algo]["convergence_tolerance"] = [st.number_input("Convergence Tolerance", min_value=0.0, max_value=1.0, value=0.1, step=0.0001, key=f"{algo}_convergence_tolerance")] algo_info[algo]["early_stopping"] = [st.checkbox("Early Stopping", value=True, key=f"{algo}_early_stopping")] algo_info[algo]["solver"] = [st.selectbox("Solver", ["lbfgs", "sgd", "adam"], key=f"{algo}_solver", index=2)] algo_info[algo]["shuffle_data"] = [st.checkbox("Shuffle Data", value=True, key=f"{algo}_shuffle_data")] algo_info[algo]["initial_learning_rate"] = [st.number_input("Initial Learning Rate", min_value=0.0, max_value=1.0, value=0.1, step=0.001, key=f"{algo}_initial_learning_rate")] algo_info[algo]["automatic_batching"] = [st.checkbox("Automatic Batching", value=True, key=f"{algo}_automatic_batching")] algo_info[algo]["beta_1"] = [st.number_input("Beta 1", min_value=0.0, max_value=1.0, value=0.1, step=0.1, key=f"{algo}_beta_1")] algo_info[algo]["beta_2"] = [st.number_input("Beta 2", min_value=0.0, max_value=1.0, value=0.1, step=0.1, key=f"{algo}_beta_2")] algo_info[algo]["epsilon"] = [st.number_input("Epsilon", min_value=0.0, max_value=1.0, value=0.1, step=0.1, key=f"{algo}_epsilon")] algo_info[algo]["power_t"] = [st.number_input("Power T", min_value=0.0, max_value=1.0, value=0.1, step=0.1, key=f"{algo}_power_t")] algo_info[algo]["momentum"] = [st.number_input("Momentum", min_value=0.0, max_value=1.0, value=0.1, step=0.1, key=f"{algo}_momentum")] algo_info[algo]["use_nesterov_momentum"] = [st.checkbox("Use Nesterov Momentum", value=False, key=f"{algo}_use_nesterov_momentum")] elif algo == "xg_boost": algo_info[algo]["use_gradient_boosted_tree"] = st.checkbox("Use Gradient Boosted Tree", value=True, key=f"{algo}_use_gradient_boosted_tree") algo_info[algo]["dart"] = st.checkbox("DART", value=True, key=f"{algo}_dart") algo_info[algo]["tree_method"] = [st.selectbox("Tree Method", ["exact", "approx", "hist"], key=f"{algo}_tree_method", index=1)] algo_info[algo]["max_num_of_trees"] = [st.number_input("Max Number of Trees", min_value=0, max_value=1000, value=10, step=100, key=f"{algo}_max_num_of_trees")] algo_info[algo]["early_stopping"] = st.checkbox("Early Stopping", value=True, key=f"{algo}_early_stopping") if algo_info[algo]["early_stopping"]: algo_info[algo]["early_stopping_rounds"] = [st.number_input("Early Stopping Rounds", min_value=0, max_value=1000, value=2, step=100, key=f"{algo}_early_stopping_rounds")] algo_info[algo]["max_depth_of_tree"] = [st.number_input("Max Depth of Tree", min_value=0, max_value=1000, value=10, step=100, key=f"{algo}_max_depth_of_tree")] algo_info[algo]["learningRate"] = [st.number_input("Learning Rate", min_value=0.0, max_value=1.0, value=0.1, step=0.001, key=f"{algo}_learningRate")] algo_info[algo]["l1_regularization"] = [st.number_input("L1 Regularization", min_value=0.0, max_value=1.0, value=0.1, step=0.001, key=f"{algo}_l1_regularization")] algo_info[algo]["l2_regularization"] = [st.number_input("L2 Regularization", min_value=0.0, max_value=1.0, value=0.1, step=0.001, key=f"{algo}_l2_regularization")] algo_info[algo]["gamma"] = [st.number_input("Gamma", min_value=0.0, max_value=1.0, value=0.1, step=0.001, key=f"{algo}_gamma")] algo_info[algo]["min_child_weight"] = [st.number_input("Min Child Weight", min_value=0.0, max_value=1.0, value=0.1, step=0.001, key=f"{algo}_min_child_weight")] algo_info[algo]["sub_sample"] = [st.number_input("Sub Sample", min_value=0.0, max_value=1.0, value=0.1, step=0.001, key=f"{algo}_sub_sample")] algo_info[algo]["col_sample_by_tree"] = [st.number_input("Column Sample By Tree", min_value=0.0, max_value=1.0, value=0.1, step=0.001, key=f"{algo}_col_sample_by_tree")] algo_info[algo]["replace_missing_values"] = st.checkbox("Replace Missing Values", value=True, key=f"{algo}_replace_missing_values") # Generate JSON if st.button("Generate JSON and train models"): session_name = datetime.now().strftime('%Y%m%d_%H%M%S') json_data = generate_json(session_name, uploaded_file.name, target, train, column_info, algo_info) # save json to file if json_data is not None: current_time = datetime.now().strftime('%Y%m%d_%H%M%S') extension = "json" file_name = f"uploaded_{current_time}.{extension}" save_file_path = 'data/'+file_name with open(save_file_path, 'w') as file: # file.write(json_data.read()) json.dump(json_data, file) st.success("JSON file generated successfully, models are being trained!") train_models(save_file_path, json_data) def upload_json_and_train(): st.write("### Upload JSON File") json_file = st.file_uploader("Upload RTF/JSON/TXT file", type=["rtf", "json", "txt"]) if json_file is not None: current_time = datetime.now().strftime('%Y%m%d_%H%M%S') extension = json_file.name.split('.')[-1] file_name = f"{json_file.name.split('.')[0]}_{current_time}.{extension}" save_file_path = 'data/'+file_name with open(save_file_path, 'wb') as file: file.write(json_file.read()) st.success("File uploaded successfully, mdoels are ready to be trained!") # create button to train models if st.button("Train Models"): if json_file is not None: train_models(save_file_path, json_file) else: st.warning("Please upload a JSON file") def main(): # main_heading = "

DataFlow Pro

" tagline = "

Automating ML Workflow with Ease

" header_content = main_heading + tagline st.markdown(header_content, unsafe_allow_html=True) st.markdown("---") st.subheader("Navigation") st.write("If you want to create a JSON and train a model, please click on the Create Json and Train Model button.", unsafe_allow_html=True) st.write("If you have an RTF/JSON/TXT file, please upload it and click on the Upload Json and train model button.", unsafe_allow_html=True) page = st.radio(" ", ("Create Json and Train Model", "Upload Json and train model"), index= None) if page == "Create Json and Train Model": create_json_and_train() elif page == "Upload Json and train model": upload_json_and_train() st.markdown("""---""") st.markdown(""" """, unsafe_allow_html=True) if __name__ == '__main__': main()