# TeachingDemos v2.10

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Monthly downloads

by Greg Snow

## Demonstrations for Teaching and Learning

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.

## Functions in TeachingDemos

Name | Description | |

SensSpec.demo | Demonstrate Sensitivity, Specificity, PPV, and NPV | |

TkBuildDist | Interactively create a probability distribution. | |

cor.rect.plot | Plot a visualization of the correlation using colored rectangles | |

faces2 | Chernoff Faces | |

ldsgrowth | Growth of The Church of Jesus Christ of Latter-day Saints. | |

chisq.detail | Print details of a chi-squared test | |

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

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

rgl.coin | Animated die roll or coin flip | |

towork | Sample data downloaded and converted from a GPS unit | |

plot2script | Create a script from the current plot | |

cnvrt.coords | Convert between the 5 different coordinate sytems on a graphical device | |

power.examp | Graphically illustrate the concept of power. | |

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

petals | Play the Petals Around the Rose game | |

simfun | Create a function to simulate data | |

stork | Neyman's Stork data | |

cal | Plot a month or year calendar | |

gp.open | Alpha version functions to send plotting commands to GnuPlot | |

squishplot | Squish the plotting area to a specified aspect ratio | |

evap | Data on soil evaporation. | |

spread.labs | Spread out close points for labeling in plots | |

sliderv | Create a Tk slider window | |

my.symbols | Draw Symbols (User Defined) on a Plot | |

TkSpline | 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. | |

clt.examp | Plot Examples of the Central Limit Theorem | |

subplot | Embed a new plot within an existing plot | |

panel.my.symbols | Draw Symbols (User Defined) on a Lattice Plot | |

dice | Simulate rolling dice | |

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

fagan.plot | Create a Fagan plot to demonstrate Bayes Theorem and screening tests | |

mle.demo | Demonstrate the basic concept of Maximum Likelihood Estimation | |

triplot | Create or add to a Trilinear Plot | |

loess.demo | Demonstrate the internals of loess curve fits | |

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

vis.binom | Plot various distributions then interactivly adjust the parameters. | |

SnowsCorrectlySizedButOtherwiseUselessTestOfAnything | Snow's Correctly Sized But Otherwise Useless Test of Anything | |

zoomplot | Zoom or unzoom an existing plot in the plot window | |

outliers | Outliers data | |

pairs2 | Create part of a scatterplot matrix | |

rgl.Map | Plot a map in an rgl window | |

faces | Chernoff Faces | |

TeachingDemos-package | Various functions for demonstration and learning. | |

z.test | Z test for known population standard deviation | |

roc.demo | Demonstrate ROC curves by interactively building one | |

updateusr | Updates the 'usr' coordinates in the current plot. | |

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

sigma.test | One sample Chi-square test for a population variance | |

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

tkBrush | Change the Color and Styles of points interactively | |

TkListView | Interactivly view structures of list and list like objects. | |

col2grey | Convert colors to grey/grayscale | |

Pvalue.norm.sim | Simulate P-values | |

digits | Return the digits that make up an integer | |

ci.examp | Plot examples of Confidence Intervals | |

tree.demo | Interactively demonstrate regression trees | |

bct | Box-Cox Transforms | |

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

shadowtext | Add text to a plot with a contrasting background. | |

vis.boxcox | Interactively visualize Box-Cox transformations | |

put.points.demo | Demonstrate Correlation and Regression by placing and moving data points | |

rotate.cloud | Interactively rotate 3D plots | |

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

dots | Create a quick dotchart (histogram) | |

run.cor.examp | Interactively demonstrate correlations | |

lattice.demo | Interactively explore the conditioned panels in lattice plots. | |

run.hist.demo | Create a histogram and interactively change the number of bars. | |

clipplot | Clip plotting to a rectangular region | |

char2seed | Convert a character string into a random seed | |

steps | Steps data | |

USCrimes | US Crime Statistics | |

slider | slider / button control widgets | |

dynIdentify | Interacively place labels for points in a plot | |

hpd | Compute Highest Posterior Density Intervals | |

HWidentify | Show label for point being Hovered over. | |

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## Last month downloads

## Details

License | Artistic-2.0 |

Date | 2016-02-08 |

LazyData | true |

KeepSource | true |

NeedsCompilation | no |

Packaged | 2016-02-12 01:53:42 UTC; Family |

Repository | CRAN |

Date/Publication | 2016-02-12 07:40:49 |

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