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Dimensionality Reduction in Tamil | Conceptualisation | Machine learning #38

Dimensionality reduction techniques like PCA (Principal Component Analysis) and t-SNE (t-Distributed Stochastic Neighbor Embedding) are widely used in machine learning and data visualization to reduce the complexity of high-dimensional data while preserving certain aspects of the original data's structure. ----------------------------------------------------------------------------------------------------------------------- 00:00:00 - Start 00:01:10 - 1. Why dimensionality Reduction 00:03:55 - 2. Data Representation 00:09:53 - 3.Covariance 00:18:54 - 4.MNIST Dataset 00:25:43 - 6.Geometrical Interpretation of PCA 00:31:30 - 7.Mathematical Objective Function of PCA 00:40:59 - 8.Eigen Values and Eigen Vectors 00:46:34 - 9.Geometrical Intepratation of λ 00:50:00 - 10.PCA for dimensioanality Reduction and Visualisation 00:54:35 - 11.Limitation of PCA 00:57:02 - 12.T-SNE Algorithm 01:00:34 - 13. Geometric Inution of T-SNE 01:02:41 - 14. Crowding Problem in T-SNE ----------------------------------------------------------------------------------------------------------------------- Probability and Statistics for Data science in Tamil    • Probability and statistics for Data s...   Introduction to Data Visualisation in Tamil    • Introduction to Data visualization in...   Introduction to Data Analysis in Tamil    • Introduction to Data Analysis in Tami...   Data Analysis and Data Visualisation playlist in Tamil    • Introduction to Data Analysis in Tami...   Download the lecture notes in Github https://github.com/learnwithme4998 Machine learning Preprocessing Playlist in Tamil    / playlistlist=pl18h92un0f0bm1aw9_tgk1nrp9ro...   -------------------------------------------------------------------------------------------------------------------------------------------------------------- My channel publishes videos that focus on machine learning🧮,data analytics 📈 and much more. If that sounds like it could be helpful for you, please join me!🤝🏻 Show your support to take this channel to next level 🔥❤️ Click the bell icon to get notified for new videos 🔔 drop your doubts in the comment section 📩 Where else you can find me: Instagram:🖥️ https://instagram.com/l_.w_m_learnwit... Email : [email protected] Credits:🤓 All the images ,files and concepts used in the various online resources.Nothing Belongs to me. Disclaimer:🚨 Information provided in these videos are for education purpose only. All the content is made by myself and copyright protected. Kindly do not misuse them in any way. I'll tell what I know, you tell what you know. Let's us share our knowledge. Welcome to LWM (learn with me) - Tamil