Final project: Which wine has the greatest quality mean?
Abstract The aim of this project is to determine if there is a statistically significant difference in quality scores between red and white wines. Two datasets are used from the UCI machine learning repository: one listing qualities of red wine and the other listing qualities of white wine. R and RStudio were used to conduct…
Time Series Analysis and Exponential Smoothing
Hello world! This week in advanced statistics we covered time series analysis and exponential smoothing. The problem for this week is as follows: The table below represents charges for a student credit card. a. Construct a time series plot using R. b. Employ Exponential Smoothing Model as outlined in Avril Voghlan’s notes and report the statistical outcome. c. Provide…
Logistic Regression
Hello world! This week in advanced statistics we covered logistic regression. We were assigned two questions for the week, and the first is as follows: 10.1 Set up an additive model for the ashina data (see Exercise 4.6), containing additive effects of subjects, period, and treatment. Compare the results with those obtained from t tests. Here is the R Code…
Tabular Data
Hello world! This week in advanced statistics we covered tabular data. For our first question, we were to convert a given data frame into a table. This is the R code I used for my answer: And here’s our beautiful table! Our second question is as follows: 2. Generate contingency table also know as rx…
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Brittany Bryce 