Two way analysis of variance models can be fitted to data using the R Commander GUI. The general approach is similar to fitting the other types of model in **R Commander** described in previous posts. Read the rest of this entry »

# R Commander – two-way analysis of variance

June 25th, 2010# R Commander – one-way analysis of variance

June 25th, 2010One way analysis of variance models can be fitted to data using the R Commander GUI. The general approach is similar to fitting the other types of model in **R Commander** described in previous posts. Read the rest of this entry »

# R Commander – logistic regression

June 23rd, 2010We can use the R Commander GUI to fit logistic regression models with one or more explanatory variables. There are also facilities to plot data and consider model diagnostics. The same series of menus as for linear models are used to fit a logistic regression model. Read the rest of this entry »

# R Commander – linear regression

June 18th, 2010We can fit various linear regression models using the R Commander GUI which also provides various ways to consider the model diagnostics to determine whether we need to consider a different model. Read the rest of this entry »

# R Commander – hypothesis testing

June 16th, 2010The R Commander GUI can be used to perform classical hypothesis testing. There are menu options to undertake the variants on the t-test as well as tests on proportions or equality of variances for two samples of data. Read the rest of this entry »

# R Commander – data manipulation and summaries

June 14th, 2010Previously we considered the R Commander interface as a simple GUI for the R statistical software system. Here we will look at how to undertake data manipulation and creating basic statistical summaries of data sets. Read the rest of this entry »

# R Commander – a good introductory GUI for R

June 1st, 2010The **R** software is very powerful and flexible but one of the complaints of new users is that the learning curve is steep and can be daunting. There have been various projects to create GUIs for R with varying levels of sophistication, one of which is R Commander by John Fox. Read the rest of this entry »