Graphical Procedures
HomeGraphical Procedures
Graphical Procedures
Graphical Procedures are an essential part of statistical analysis. But graphs are often poorly done, and there are some lesser known graphical methods that can be highly effective for displaying data. To name just a few of these: mosaic plots, dot plots, strip plots, lattice plots, density plots, quantile plots and various enhancements of the familiar scatterplot.
Featured Posts

In ordinary regression, we are interested in modeling the mean of a continuous dependent variable as a linear...

Often, when reading a statistics book, you will see some variation on the phrase "independent data". Many...

Regression is a set of statistical techniques for relating a dependent variable to one or more independent...

[latexpage] The chisquare test can refer to several different types of tests. Here I will discuss the...

The average, or mean, is one of the simplest statistics there is. You have a bunch of numbers, you add them...

This is a talk that I gave at NDRI. I also gave a version of this talk at Yale and at BrainScope

Q: What does it mean when standard deviation is higher than the mean? My answer: It depends on the nature...

Today, I'll look at how to make and evaluate a good statistical argument. I'm going to base this on the...

There are many reasons to write a grant, and many places to apply for one  from small grants for a few...

If you are a PhD student you are probably aware that it is possible to buy a dissertation. There are lots of...

I will be giving a 4 hour course at SESUG in Savannah this fall. The course is titled: Lies, damn lies...

[latexpage] In ordinary regression the model is: $ Y = \beta_0 + \beta_1x_1 + \beta_2_x_2 + .... +...