The Lydia-Pinkham Data
As a result of a lawsuit in the early 20th century, 54 years worth
of annual sales and advertising data for the Lydia Pinkham company
became public knowledge. Lydia Pinkham sold a patent medicine for
"women's problems." These data are often used in textbooks
to illustrate modeling techniques, as we will do here. More...
Nonlinear Discriminant Analysis for Prediction of
Failure Event in a Towing Tank Wavemaker
The MPR model was used to successfully develop a discriminant function
to predict conditions that would cause system trips in a computer-controlled
wavemaker machine used for nautical model testing. More...
Modeling Chaos with Multivariate Polynomial Regression
In the absence of a fundamental understanding of a process one
may turn to empirical system identification. A function is selected
a priori to relate the outcome of the process to input and state
variables, and the parameters of the function found by fitting to
experimental data. More...
Modeling of Performance of Retail Store Profitability
Using Multivariate Polynomial Regression (MPR)
A company had 54 retail stores that sold industrial supplies and
equipment. They wanted to understand what factors controlled the
stores' profitability. They had measured thirteen variables that
they thought could have an affect on the gross margin (GM). More...