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Tag Archives: eigenvalues
How do I Create the Identity Matrix in R? Also a bit of group theory.
I googled for this once upon a time and nothing came up. Hopefully this saves someone ten minutes of digging about in the documentation. You make identity matrices with the keyword diag, and the number of dimensions in parentheses. > … Continue reading →
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Tagged character, circulant matrix, computer, determinant, diag, eigenvalues, group presentation, group theory, identity matrix, linear algebra, math, mathematics, maths, matrices, metabolism, R, representation theory, rotation, statistics
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Big Data vs Quality Data
theLoneFuturist: I’m not certain why learning Hadoop isn’t more attractive to you. If you are fine with R, doesn’t having lots of data interest you? theLoneFuturist: Don’t get me wrong, there are probably unexciting tasks associated with big data, but … Continue reading →
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Tagged $AMZN, algorithms, Angus Maddison, archaeology, Barack Obama, basket weave knots, big data, book of Kells, Celtic, Celts, data, data analysis, data janitor, eigenvalues, eigenvectors, exabytes, experience, fad, geology, Hadoop, Leo Breiman, LSI, New York Times, OCR scanning, PCA, SQL, SVD, USA
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Human Mathematics 