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Intro to applying least squares problems to economics
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Intro to applying least squares problems to economics
3:11
About this lesson
• Go from \(Ax=b\) to \(X\beta=y\)
• \(X \)→\(\) design matrix
• \(\beta \)→\(\) parameter vector
• \(y \)→\(\) observation vector
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Video 1 of 9
Intro to applying least squares problems to economics
3 min
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Fitting a quadratic least squares curve to experimental data points
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Proving the squared norm of X beta-hat equals beta-hat transpose X transpose y
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