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Family Day update

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Ingy döt Net 2020-02-17 23:21:07 -08:00
parent aac6731f2c
commit 9ad63ea473
2442 changed files with 39761 additions and 8255 deletions
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Task/Multiple-regression/R/multiple-regression-1.r
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## Wikipedia Data
x <- c(1.47, 1.50, 1.52, 1.55, 1.57, 1.60, 1.63, 1.65, 1.68, 1.70, 1.73, 1.75, 1.78, 1.80, 1.83)
}
y <- c(52.21, 53.12, 54.48, 55.84, 57.20, 58.57, 59.93, 61.29, 63.11, 64.47, 66.28, 68.10, 69.92, 72.19, 74.46)
lm( y ~ x + I(x^2))

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Task/Multiple-regression/R/multiple-regression-3.r
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solve( crossprod(X), crossprod(X, Y))
solve(crossprod(X), crossprod(X, Y))

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Task/Multiple-regression/R/multiple-regression-4.r Normal file
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qr.coef(qr(X), y)