Code Generalities
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The term *estimation* is used interchangeably with *fitting* to signify the
determination of model parameters for a given data set.

Abbreviations Used
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Abbrev Definition
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alt    alternative
bkpt   break point
boot   bootstrap
dep    dependent variable  (aka regressand, explained variable, response)
dist   distribution
indep  independent variable  (aka regressor, explanatory variable, predictor)
lhs    left-hand-side
ls     least squares
mle    maximum likelihood estimate
ols    ordinary least squares
param  parameter
rhs    right-hand-side
rss    residual sum of squares
segreg segmented regression
stddev standard deviation
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