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Project II for 3460:635 Advanced Algorithms, which is composed of two parts. Part I uses singular value decomposition (SVD) to compress PGM images. Part II uses principal component analysis (PCA) to reduce the dimensionality of high-dimensional datasets.

C 59.44% C++ 40.49% Objective-C 0.06%

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Report - Describe SVD and PCA

Describe singular value decomposition and principal component analysis. Here is a potentially useful compare and contrast describing the two methods of dimensional reduction. Since we don't have to implement these two components, describing what they are and that we understand them is crucial.

Part II - Use PCA on a large dataset

The objective of this part is to understand how PCA works, the connection between SVD and PCA, and the application of PCA to dimensionality reduction. You are required to pick a dataset that’s big and interesting to demonstrate your understanding of PCA. Make sure you give us the background of your data and tell me what you can conclude from the PCA results.

Apart from the wiki, some good places to start would be:

Choose a library that implements SVD and/or PCA

We're not required to implement these methods ourselves, but can choose from an awesome and convenient, hopefully heavily document, third party library that does it all for us! Some options include:

I'm sure there are others, but these were the first and most promising search results. From my understanding, most if not all of these build off of BLAS. Though why go lower level when high level already exists?

Report - Theoretical and empirical analysis

Theorize how long the implementation of SVD and PCA will take and the expected size reduction, and compare this against the empirical results from the testing metrics. Discuss the differences and create lovely, colorful charts that are not of the type scatterplot.

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