Gallery examples: Probability Calibration curves Plot classification probability Column Transformer with Mixed Types Pipelining: chaining a PCA and a logistic regression Feature transformations wit...

Gallery examples: Probability Calibration curves Plot classification probability Column Transformer with Mixed Types Pipelining: chaining a PCA and a logistic regression Feature transformations wit...

Binary logistic regression is one of the most widely used statistical tools. The method uses odds, log odds, and odds ratios, which are difficult to understand and interpret. Understanding of logisti....

This tutorial provides an explanation of adjusted odds ratios, including a formal definition and several examples.

Join Frederick Nwanganga for an in-depth discussion in this video, Classifying data with logistic regression, part of Machine Learning with Python: Logistic Regression.

📊 Data Analysis Using ML Models — Complete Jupyter ProjectThis product gives you a ready-to-run, real-world machine learning project for data analysis using Python — built entirely in Jupyter Notebook...

Gallery examples: Probability Calibration curves Plot classification probability Column Transformer with Mixed Types Pipelining: chaining a PCA and a logistic regression Feature transformations wit...

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I have a imbalanced dataset and I want the the output as probabilities and not labels. Hence using Logistic Regression seemed to be the obvious choice. However the classsifer started predicting all

This guide demonstrates how to use scikit-learn’s callbacks on compatible estimators. For information about how to implement the callback API, you can refer to the following sections of the develop...

best_C = best["params"]["C"] best_solver = best["params"]["solver"] final_pipe = Pipeline([ ("scaler", StandardScaler()), ("clf", LogisticRegression( C=best_C, solver=best_solver, penalty="l2", max_iter=2000, random_state=42 )) ]) with mlflow.start_run(run_name="final_model_run") as final_run: final_pipe.fit(X_train, y_train) proba = final_pipe.predict_proba(X_test)[:, 1] pred = (proba >= 0.5).astype(int) metrics = { "test_auc": float(roc_auc_score(y_test, proba)), "test_accuracy": float(accuracy_score(y_test, pred)), "test_precision": float(precision_score(y_test, pred, zero_division=0)), "test_recall": float(recall_score(y_test, pred, zero_division=0)), "test_f1": float(f1_score(y_test, pred, zero_division=0)), } mlflow.log_metrics(metrics) mlflow.log_params({"C": best_C, "solver": best_solver, "model": "LogisticRegression+StandardScaler"}) input_example = X_test.iloc[:5].copy() signature = infer_signature(input_example, final_pipe.predict_proba(input_example)[:, 1]) model_info = mlflow.sklearn.log_model( sk_model=final_pipe, artifact_path="model", signature=signature, input_example=input_example, registered_model_name=None, ) print("Final run_id:", final_run.info.run_id) print("Logged model URI:", model_info.model_uri) eval_df = X_test.copy() eval_df["label"] = y_test.values eval_result = mlflow.models.evaluate( model=model_info.model_uri, data=eval_df, targets="label", model_type="classifier", evaluators="default", ) eval_summary = { "metrics": {k: float(v) if isinstance(v, (int, float, np.floating)) else str(v) for k, v in eval_result.metrics.items()}, "artifacts": {k: str(v) for k, v in eval_result.artifacts.items()}, } mlflow.log_dict(eval_summary, "evaluation/eval_summary.json")

!pip install -q pyspark==3.5.1 from pyspark.sql import SparkSession, functions as F, Window from pyspark.sql.types import IntegerType, StringType, StructType, StructField, FloatType from pyspark.ml.feature import StringIndexer, VectorAssembler from pyspark.ml.classification import LogisticRegression from pyspark.ml.evaluation import MulticlassClassificationEvaluator spark = (SparkSession.builder.appName("ColabSparkAdvancedTutorial") .master("local[*]") .config("spark.sql.shuffle.partitions", "4") .getOrCreate()) print("Spark version:", spark.version) data = [ (1, "Alice", "IN", "2025-10-01", 56000.0, "premium"), (2, "Bob", "US", "2025-10-03", 43000.0, "standard"), (3, "Carlos", "IN", "2025-09-27", 72000.0, "premium"), (4, "Diana", "UK", "2025-09-30", 39000.0, "standard"), (5, "Esha", "IN", "2025-10-02", 85000.0, "premium"), (6, "Farid", "AE", "2025-10-02", 31000.0, "basic"), (7, "Gita", "IN", "2025-09-29", 46000.0, "standard"), (8, "Hassan", "PK", "2025-10-01", 52000.0, "premium"), ] schema = StructType([ StructField("id", IntegerType(), False), StructField("name", StringType(), True), StructField("country", StringType(), True), StructField("signup_date", StringType(), True), StructField("income", FloatType(), True), StructField("plan", StringType(), True), ]) df = spark.createDataFrame(data, schema) df.show()