Demonstrations for Teaching and Learning
Box-Cox Transforms
Plot a month or year calendar
Sample data downloaded and converted from a GPS unit
Convert a character string into a random seed
Print details of a chi-squared test
Plot examples of Confidence Intervals
Clip plotting to a rectangular region
Plot Examples of the Central Limit Theorem
Convert between the 5 different coordinate sytems on a graphical devic...
Convert colors to grey/grayscale
Plot a visualization of the correlation using colored rectangles
Snow's Correctly Sized But Otherwise Useless Test of Anything
Simulate rolling dice
Return the digits that make up an integer
Create a quick dotchart (histogram)
Interacively place labels for points in a plot
Chernoff Faces
Chernoff Faces
Create a Fagan plot to demonstrate Bayes Theorem and screening tests
Alpha version functions to send plotting commands to GnuPlot
Compute Highest Posterior Density Intervals
Show label for point being Hovered over.
Less than or Less than and equal operators that can be chained togethe...
Interactively explore the conditioned panels in lattice plots.
Demonstrate the internals of loess curve fits
Demonstrate the basic concept of Maximum Likelihood Estimation
Symbol functions/data to be passed as symb argument to my.symbols
Draw Symbols (User Defined) on a Plot
Test the uninteresting question of whether the data represents an exac...
Create part of a scatterplot matrix
Draw Symbols (User Defined) on a Lattice Plot
Play the Petals Around the Rose game
Animated die roll or coin flip
Create a script from the current plot
Graphically illustrate the concept of power.
Demonstrate Correlation and Regression by placing and moving data poin...
Simulate P-values
Save a transcript of commands and/or output to a text file.
Plot a map in an rgl window
Demonstrate ROC curves by interactively building one
Interactively rotate 3D plots
Interactively demonstrate correlations
Create a histogram and interactively change the number of bars.
Demonstrate Sensitivity, Specificity, PPV, and NPV
Add text to a plot with a contrasting background.
One sample Chi-square test for a population variance
Create a function to simulate data
slider / button control widgets
Create a Tk slider window
Spread out close points for labeling in plots
Squish the plotting area to a specified aspect ratio
Embed a new plot within an existing plot
Various functions for demonstration and learning.
Plot a set of data in a Tk window and interactively move lines to see ...
Change the Color and Styles of points interactively
Interactively create a probability distribution.
Create Tk dialog boxes with controls to show examples of changing para...
Interactivly view structures of list and list like objects.
Plot predicted values from a model against one of the predictors for a...
Plot a set of data in a Tk window and interactively move a line to see...
Interactively demonstrate regression trees
Create or add to a Trilinear Plot
Updates the 'usr' coordinates in the current plot.
Plot various distributions then interactivly adjust the parameters.
Interactively visualize Box-Cox transformations
Do a Visual test of a null hypothesis by choosing the graph that does ...
Z test for known population standard deviation
Zoom or unzoom an existing plot in the plot window
Demonstration functions that can be used in a classroom to demonstrate statistical concepts, or on your own to better understand the concepts or the programming.