LinkedIn Auto Connect Bot
Build a LinkedIn automation bot in Python using Selenium and BeautifulSoup that sends personalized connection requests to suggested profiles automatically.
Explore data analysis, exploratory data analysis (EDA), feature engineering, and the implementation of classic machine learning models using Scikit-Learn, Pandas, and NumPy.
Browse, search, and work through all available articles for this category.
Build a LinkedIn automation bot in Python using Selenium and BeautifulSoup that sends personalized connection requests to suggested profiles automatically.
Automate HD wallpaper downloads from Unsplash using Python and the Unsplash API. Covers API authentication, search parameters, and automatic image saving.
Scrape public LinkedIn profile data using Selenium and BeautifulSoup in Python. Covers automated login, profile extraction, and exporting structured results.
Learn how to reduce high-dimensional feature spaces using LDA and PCA with scikit-learn. Applied to the Santander customer dataset with accuracy and speed comparisons.
Learn how Principal Component Analysis works, then implement it in Python with scikit-learn to reduce 30 breast-cancer features down to 2 components while retaining maximum variance.
Learn how to use mutual information (entropy gain) to select the most predictive features for classification and regression in Python with scikit-learn.
Learn how to apply Recursive Feature Elimination (RFE) in Python using Random Forest and Gradient Boosting estimators to select the most predictive features from the breast cancer dataset.
Apply Fisher Score and Chi-squared tests for feature selection on the Titanic dataset in Python. Covers categorical feature scoring with scikit-learn chi2.
Learn how Lasso (L1) and Ridge (L2) regularization act as embedded feature selectors. Apply SelectFromModel and RidgeClassifierCV on the Titanic dataset in Python.
Learn how to select features using ROC-AUC for classification and Mean Squared Error for regression. Score every feature individually, rank them, and keep only the most predictive ones.
Learn how to use wrapper-based feature selection — Sequential Forward, Backward, and Exhaustive Search — with mlxtend and scikit-learn on the Wine dataset.
Learn how to use univariate ANOVA F-tests to rank and select the most informative features for classification problems using scikit-learn's f_classif and SelectKBest.
Remove constant, quasi-constant, and duplicate features from ML datasets using Python. Covers VarianceThreshold and correlation-based duplicate feature removal.
Learn how to use linear and logistic regression coefficients with Lasso (L1) and Ridge (L2) regularization to select the most informative features in Python.
A hands-on guide to building line, bar, histogram, box, scatter, KDE, Andrews curve, and subplot visualizations directly from a pandas DataFrame or Series.
A hands-on guide to seaborn covering relational, categorical, distribution, and regression plots with the tips, fmri, iris, and Titanic datasets.
Learn the fundamentals of pandas DataFrames, loading CSVs, column operations, handling missing values, mean imputation, and correlation analysis.
A hands-on crash course covering matplotlib's pyplot API and object-oriented interface: line plots, scatter, bar, histograms, box plots, subplots, and axis controls.
A practical guide to the four types of variables in any dataset — numeric, categorical, date-time, and mixed — with histogram and distribution examples using a real loan dataset.
Learn how Support Vector Machines work — from hyperplanes and margin maximization to kernel tricks — and train SVM classifiers on the breast cancer dataset using scikit-learn.
Learn how bagging reduces machine learning training time by splitting data across parallel estimators. You will implement a BaggingClassifier with SVM on the Iris dataset and compare training time against a single estimator.
Learn how ensemble learning combines multiple models using bagging, boosting, and voting to improve prediction accuracy. Train Random Forest, AdaBoost, Gradient Boosting, and XGBoost classifiers on the breast cancer dataset using scikit-learn.
Train decision tree classifiers and regressors in Python with scikit-learn. Covers splitting criteria, key hyperparameters, pruning, and model evaluation.
Learn how linear regression works and how to implement it with scikit-learn on the Boston housing dataset. Covers simple and multiple regression, feature selection by correlation, and model evaluation with R², MAE, and MSE.
Learn how K-Means clustering works and implement it in Python with scikit-learn. Covers centroid initialization, the elbow method for choosing K, inertia, and cluster visualization.
Learn how the K-Nearest Neighbors algorithm works and implement a tuned KNN classifier in Python with scikit-learn, including feature standardization and cross-validation to find the optimal K.
Learn how logistic regression works — from the sigmoid function to the cost function — and build a Titanic survival classifier in Python using scikit-learn, recursive feature elimination, and ROC-AUC evaluation.
Learn how the Random Forest algorithm combines multiple decision trees through bagging to build robust classifiers and regressors. You will train both a regressor on the Diabetes dataset and a classifier on the Iris dataset, extract feature importances, and evaluate results.
Build a resume parser using spaCy NER trained on 200 resumes. Extract names, skills, and experience fields automatically from new CV documents in Python.
Build a Python pipeline that transcribes live microphone audio and classifies sentiment polarity in real time using NLTK and TextBlob.
Build a multi-label text classifier that predicts Stack Overflow tags from question text using TF-IDF vectorization and the OneVsRest strategy, then evaluate it with Hamming loss and Jaccard score.
Build a binary sentiment classifier for IMDB movie reviews using TF-IDF text vectorization and a Linear Support Vector Machine in Python with scikit-learn.
Predict Amazon product star ratings from review text using TF-IDF vectorization and a Support Vector Machine classifier in Python with scikit-learn.
Understand the impact of feature magnitude on ML algorithms, and learn scaling techniques in Python including Standard, MinMax, and Robust scaling.
Learn what rare labels are in categorical variables, why they cause overfitting and train/test mismatches, and how to group them safely in Python.
Learn how to detect and handle outliers in machine learning using Python. Covers IQR and Z-score methods, visualization with boxplots and Q-Q plots, and practical boundary calculations on real datasets.
Learn how to detect and fix violations of linear model assumptions — linearity, normality, homoscedasticity, and multicollinearity — using Python, scatter plots, Q-Q plots, and log transformations on the Boston housing dataset.
Understand cardinality in categorical variables and its effect on model performance. Learn to handle high-cardinality features using Python techniques.
Understand MCAR, MAR, and MNAR missing data mechanisms and their impact on machine learning. Covers detection, analysis, and treatment strategies using Python.
Enroll in full structured certifications with verified codebases and lifetime developer support.
Master statistical foundations and practical implementation of regression analysis.
Complete foundation in ML and DL using Python, Scikit-Learn, Keras, and TensorFlow.