Graduate Statistics Problem Sets Now Available
I've made my graduate coursework from SIUe's mathematics program available online, covering time series, regression, computational statistics, multivariate analysis, and statistical methods.
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I've made my graduate coursework from SIUe's mathematics program available online, covering time series, regression, computational statistics, multivariate analysis, and statistical methods.
In my paper, Reliability Estimation in Series Systems, I discarded a lot of research that may be interesting to pursue further. This one is about using homogeneous shape parameters for the Weibull series system, which can greatly simplify the …
Problem sets for STAT 581 - Statistical Methods at SIUe, taught by Dr. Neath during Fall 2021.
An experiment is conducted to study the effect of fitness level on ego > strength. Random samples of college faculty members are selected from each
A randomized complete block design is used to study the effect of caliper on the measured diameters
An experiment is designed to investigate whether the time to drill holes in rock holes using wet or dry drilling.
A product developer is investigating the tensile strength of a new synthetic fiber that will be used to make cloth for men’s shirts.
An experiment is conducted to study the effect of drilling method on drilling time. Each method (dry drilling, wet drilling) is used on rocks.
An experiment to compare a new drug to a standard is in the planning stages. The response variable of interest is the clotting time (in minutes) of blood
The insulating life of protective fluids at an accelerated load is being studied. The experiment has been performed for four types of fluids, with
A factorial experiment is used to develop a nitride etch process on a single wafer plasma etching tool.
A soft drink bottler is interested in studying the effects on a filling process. A factorial experiment is run using three factors: percent carbonation (in %),
A paired comparisons design is used to study the effect of machine operator on > the measured running time (in secs.) of a fuse. A sample of fuses is
An experiment is designed to test for systematic differences in the hardness > measurements provided by two devices (fixed effect, factor ).
The surface finish of metal parts made on machines is under > investigation. > Each machine can be run by one of operators.
This section contains various problem sets for different courses I've taken. I'll try to include solutions where I can. If you have any questions.
This is a problem set for STAT 482 - Regression Analysis at SIUe. These problem sets were given by Dr. Andrew Neath, a professor in the Department of Mathematics and Statistics at Southern Illinois University Edwardsville (SIUe) during the Fall 2022 …
This is a problem set for STAT 575 - Computational Statistics at SIUe. These problem sets were given by Dr. Qiang Beidi, a professor in the Department of Mathematics and Statistics at Southern Illinois University Edwardsville (SIUe) during the Summer …
Discrete multivariate analysis exam covering log-linear models and categorical data analysis.
Final exam for discrete multivariate analysis.
Problem set 10 for discrete multivariate analysis.
Problem set 5 for discrete multivariate analysis.
Problem set 6 for discrete multivariate analysis.
Problem set 7 for discrete multivariate analysis.
Problem set 8 for discrete multivariate analysis.
Problem set 9 for discrete multivariate analysis.
Problem sets for STAT 478 - Time Series Analysis at SIUe, taught by Dr. Beidi during Spring 2021.
Problem sets for STAT 579 - Discrete Multivariate Analysis at SIUe, taught by Dr. Andrew Neath during Spring 2021.
Time series analysis exam covering ARMA processes and model identification.
Time series analysis coursework.
Final exam for time series analysis course.
Problem set 3 for time series analysis.
Problem set 4 for time series analysis.
Problem set 5 for time series analysis.
Problem set 6 for time series analysis.
Time series analysis project.
Here are some publications I've worked on. I'll try to keep this updated as I work on new things.