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TeachingDemos (version 2.7)

Demonstrations for teaching and learning

Description

This package is a set of 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.

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Version

Install

install.packages('TeachingDemos')

Monthly Downloads

10,035

Version

2.7

License

Artistic-2.0

Maintainer

Greg Snow

Last Published

August 9th, 2010

Functions in TeachingDemos (2.7)

Plot predicted values from a model against one of the predictors for a given value of the othe predictors

Demonstrate the internals of loess curve fits

Convert between the 5 different coordinate sytems on a graphical device

Create a quick dotchart (histogram)

Interactively rotate 3D plots

Demonstrate the basic concept of Maximum Likelihood Estimation

Save a transcript of commands and/or output to a text file.

Demonstrate Sensitivity, Specificity, PPV, and NPV

slider / button control widgets

Interactively visualize Box-Cox transformations

Convert a character string into a random seed

Plot a map in an rgl window

Box-Cox Transforms

Create or add to a Trilinear Plot

Create part of a scatterplot matrix

Create a histogram and interactively change the number of bars.

panel.my.symbols

Draw Symbols (User Defined) on a Lattice Plot

Squish the plotting area to a specified aspect ratio

SnowsCorrectlySizedButOtherwiseUselessTestOfAnything

Snow's Correctly Sized But Otherwise Useless Test of Anything

TeachingDemos-package

Various functions for demonstration and learning.

Convert colors to grey/grayscale

Animated die roll or coin flip

Plot various distributions then interactivly adjust the parameters.

SnowsPenultimateNormalityTest

Test the uninteresting question of whether the data represents an exact normal distribution.

Plot a set of data in a Tk window and interactively move a line to see predicted y-values from a spline fit corresponding to selected x-values.

Z test for known population standard deviation

Create Tk dialog boxes with controls to show examples of changing parameters on a graph.

Create a Tk slider window

Interactively explore the conditioned panels in lattice plots.

Updates the 'usr' coordinates in the current plot.

Interactively demonstrate correlations

Graphically illustrate the concept of power.

Spread out close points for labeling in plots

Apply projections to Map objects (from maptools package)

Zoom or unzoom an existing plot in the plot window

Plot a set of data in a Tk window and interactively move lines to see predicted y-values corresponding to selected x-values.

Change the Color and Styles of points interactively

Data on soil evaporation.

Clip plotting to a rectangular region

Plot examples of Confidence Intervals

Create a script from the current plot

put.points.demo

Demonstrate Correlation and Regression by placing and moving data points

Interacively place labels for points in a plot

One sample Chi-square test for a population variance

Sample data downloaded and converted from a GPS unit

Draw Symbols (User Defined) on a Plot

Simulate rolling dice

Compute Highest Posterior Density Intervals

Map object for the US State Visibility Based Map

Functions to plot Shewhart g chart

Add text to a plot with a contrasting background.

Pvalue.norm.sim

Simulate P-values

Identify polygons within a plotted map from the maptools packages.

Neyman's Stork data

Demonstrate ROC curves by interactively building one

Alpha version functions to send plotting commands to GnuPlot

Do a Visual test of a null hypothesis by choosing the graph that does not belong.

Interactivly view structures of list and list like objects.

Print details of a chi-squared test

Create a Fagan plot to demonstrate Bayes Theorem and screening tests

Less than or Less than and equal operators that can be chained together.

Symbol functions/data to be passed as symb argument to my.symbols

Recenter a Map object from the maptools package.

Embed a new plot within an existing plot

Interactively demonstrate regression trees

Show label for point being Hovered over.

Designs for coin faces for use with plot.rgl.coin

Plot Examples of the Central Limit Theorem