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@ladyliuee: เบื่อจริง แต่กลัวลูกได้รับไม่พอ #โปรตีนลงลูกไม่ลงแม่ #mamabella #แม่ท้อง #แม่ท้องควรรู้ #คนท้อง

มาดามมาย | a little Mom
มาดามมาย | a little Mom
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Thursday 15 October 2026 08:08:53 GMT
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Muqalada dalku meel dheer ha garan maxa si ah waxa kalaba waaxa dawanaya 100k qofee ❤️😂🫡#foryoupage❤️❤️ #Sumeyo❤️🦊 #somalilandtiktok💚🤍❤ #Sumeyo❤️🦊 #
Muqalada dalku meel dheer ha garan maxa si ah waxa kalaba waaxa dawanaya 100k qofee ❤️😂🫡#foryoupage❤️❤️ #Sumeyo❤️🦊 #somalilandtiktok💚🤍❤ #Sumeyo❤️🦊 #


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@thiagobrava ESSA E A MUSICA QUE FEZ ELEFICA MILIONARIO VEJA ISSO #thiagobrava #thiagobravaclipfy #clipfyleague
➡️ Machine Learning from Scratch, part 34: principal component analysis (PCA). PCA finds the few directions in your data along which the points spread out the most. The first principal component is the direction in which the cloud is widest, the second is the widest direction at a right angle to the first, and so on. Mathematically these directions are the eigenvectors of the data's covariance matrix, and each eigenvalue says how much spread its direction holds. In practice you center the data, compute these directions and project every point onto the first few. Keep those, drop the rest, and you lose little, because the dropped directions barely vary. Our own run, nothing downloaded. pca.py (14 lines of numpy) makes 400 points with 100 numbers each. Behind them sit 3 hidden directions plus noise in all 100 dimensions. It centers the data, builds the 100 by 100 covariance matrix, takes its eigenvectors and keeps the first 3. They hold 92 percent of the spread (52, 31 and 9 percent). Each of the other 97 directions holds 0.2 percent or less. The cloud you see is our real data, projected to 3 numbers per point. Honest notes: our data is made up and has a clean hidden structure on purpose, so 3 components fit well; real data is rarely this tidy. The 3D view is rotated only so you can see it better. PCA only finds straight directions, so curved patterns need other methods, and the direction with the most spread is not always the one that helps a prediction. For pictures of word embeddings, PCA is one common choice next to methods like t-SNE and UMAP. #machinelearning #ai #python #datascience #coding
➡️ Machine Learning from Scratch, part 34: principal component analysis (PCA). PCA finds the few directions in your data along which the points spread out the most. The first principal component is the direction in which the cloud is widest, the second is the widest direction at a right angle to the first, and so on. Mathematically these directions are the eigenvectors of the data's covariance matrix, and each eigenvalue says how much spread its direction holds. In practice you center the data, compute these directions and project every point onto the first few. Keep those, drop the rest, and you lose little, because the dropped directions barely vary. Our own run, nothing downloaded. pca.py (14 lines of numpy) makes 400 points with 100 numbers each. Behind them sit 3 hidden directions plus noise in all 100 dimensions. It centers the data, builds the 100 by 100 covariance matrix, takes its eigenvectors and keeps the first 3. They hold 92 percent of the spread (52, 31 and 9 percent). Each of the other 97 directions holds 0.2 percent or less. The cloud you see is our real data, projected to 3 numbers per point. Honest notes: our data is made up and has a clean hidden structure on purpose, so 3 components fit well; real data is rarely this tidy. The 3D view is rotated only so you can see it better. PCA only finds straight directions, so curved patterns need other methods, and the direction with the most spread is not always the one that helps a prediction. For pictures of word embeddings, PCA is one common choice next to methods like t-SNE and UMAP. #machinelearning #ai #python #datascience #coding
#sabunsusukuda #duziskin
#sabunsusukuda #duziskin
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