Blog

Read my latest blog posts

Data Science and ML Blogs

Data science, machine learning, deep learning, and mathematical foundations

Linear Algebra with NumPy: Essential Mathematical Operations for Data Science

Linear Algebra with NumPy: Essential Mathematical Operations for Data Science

Master linear algebra with NumPy for machine learning and data science. Learn matrices, eigenvalues, SVD, matrix decomposition, vector operations, and solve real-world problems with practical Python examples.

linear-algebranumpymatrices
October 20, 2025 Read more →
Matplotlib vs Seaborn: Complete Data Visualization Guide

Matplotlib vs Seaborn: Complete Data Visualization Guide

Master Python data visualization with Matplotlib and Seaborn. Compare features, learn when to use each library, create publication-quality charts, and build custom visualizations with practical examples.

matplotlibseaborndataviz
October 18, 2025 Read more →
Data Visualization Best Practices: Create Stunning Statistical Plots

Data Visualization Best Practices: Create Stunning Statistical Plots

Master data visualization best practices for impactful storytelling. Learn design principles, color theory, chart selection, accessibility, and create publication-quality plots that communicate insights effectively.

datavizbest-practicescharts
October 12, 2025 Read more →
Data Cleaning Best Practices: Transform Raw Data to Insights

Data Cleaning Best Practices: Transform Raw Data to Insights

Master data cleaning best practices for reliable analysis. Learn systematic approaches, validation techniques, automation strategies, and quality assurance methods to transform messy data into trustworthy insights.

data-cleaningbest-practicesquality
November 5, 2025 Read more →
Data Preprocessing with Python: Essential Cleaning Steps

Data Preprocessing with Python: Essential Cleaning Steps

Master data preprocessing in Python with essential cleaning techniques. Learn to handle missing values, normalize data, encode categories, scale features, and prepare datasets for machine learning.

preprocessingpythondata-cleaning
September 25, 2025 Read more →
Pandas GroupBy Function: Master Data Aggregation and Analysis

Pandas GroupBy Function: Master Data Aggregation and Analysis

Complete guide to pandas GroupBy for data aggregation. Learn grouping, aggregation functions, multi-level grouping, transformation, and advanced analysis techniques with practical Python examples.

pandasgroupbyaggregation
September 20, 2025 Read more →
Pandas DataFrame Manipulation: Complete Data Handling Guide for Analysis

Pandas DataFrame Manipulation: Complete Data Handling Guide for Analysis

Master pandas DataFrame operations with this comprehensive guide. Learn data selection, filtering, merging, grouping, and transformation techniques for efficient data analysis in Python.

pandasdataframedata-handling
September 18, 2025 Read more →
Pandas Data Cleaning Techniques: Handle Missing Data Like a Pro

Pandas Data Cleaning Techniques: Handle Missing Data Like a Pro

Master data cleaning with pandas in Python. Learn to handle missing values, remove duplicates, fix data types, and transform messy datasets into analysis-ready data with practical examples.

pandasdata-cleaningmissing-data
September 15, 2025 Read more →
NumPy Array Operations: Master Matrix Manipulation for Data Science

NumPy Array Operations: Master Matrix Manipulation for Data Science

Complete guide to NumPy array operations and matrix manipulation in Python. Learn array creation, indexing, slicing, broadcasting, and vectorized operations for efficient data analysis and machine learning.

numpyarraysmatrix
September 5, 2025 Read more →
NumPy for Beginners: Complete Data Analysis Fundamentals Guide

NumPy for Beginners: Complete Data Analysis Fundamentals Guide

Learn NumPy from scratch for data analysis. Beginner-friendly guide covering arrays, operations, statistics, and practical data manipulation for aspiring data scientists and Python developers.

numpybeginnerdata-analysis
August 28, 2025 Read more →
Linear Transformations and Gradient Descent: The Mathematics Powering TensorFlow and Deep Learning Optimization

Linear Transformations and Gradient Descent: The Mathematics Powering TensorFlow and Deep Learning Optimization

Master linear transformations, gradient descent, and optimization algorithms with NumPy, scikit learn, and TensorFlow. Complete guide to linear algebra for deep learning, artificial intelligence, machine learning, and data science applications

gradientstransformstensorflow
August 22, 2025 Read more →
SVD and Matrix Decomposition: The Mathematics Behind Netflix Recommendations and AI Image Compression

SVD and Matrix Decomposition: The Mathematics Behind Netflix Recommendations and AI Image Compression

Master Singular Value Decomposition (SVD) and matrix factorization with NumPy and scikit learn. Complete guide to linear algebra for machine learning, data science, deep learning recommendation systems, and artificial intelligence applications

svdfactorizationrecommender
August 28, 2025 Read more →
Eigenvalues, PCA, and Matrix Decomposition: Advanced Linear Algebra for ML

Eigenvalues, PCA, and Matrix Decomposition: Advanced Linear Algebra for ML

Master eigenvalues, eigenvectors, SVD, and PCA with Python. Learn dimensionality reduction and see real ML applications of advanced linear algebra concepts

eigenvaluespcasvd
August 5, 2025 Read more →
Matrix Properties and Transformations: From Theory to Machine Learning Practice

Matrix Properties and Transformations: From Theory to Machine Learning Practice

Learn matrix rank, determinants, linear transformations, and solving equations with Python. Understand how these concepts power ML algorithms with practical examples

linear-algebramatricesml-math
July 30, 2025 Read more →
Linear Algebra for Machine Learning: Master Vectors and Matrices with NumPy and Scikit Learn

Linear Algebra for Machine Learning: Master Vectors and Matrices with NumPy and Scikit Learn

Complete beginner's guide to linear algebra fundamentals - vectors, matrices, and operations using NumPy. Essential mathematics for artificial intelligence, deep learning, and data science with practical sklearn examples

linear-algebranumpymatrices
June 18, 2025 Read more →
Page 1 of 2

Ojaswi Athghara

SDE, 4+ Years

© ojaswiat.com 2025-2027