NCStats-package | Support for statistics classes at Northland College. |

ABCens90 | Data on Ashland and Bayfield County (WI) residents in 1990. |

ABDLakes | Data for lakes in Ashland, Bayfield, and Douglas counties, Wisconsin. |

accuracyPrecision | Plot targets and histograms for illustrating accuracy and precision. |

addMargins | Puts Arbitrary Margins on Two-way Tables or Arrays |

addSigLetters | Places significance letters next to mean points on a fitPlot. |

adTest | Anderson-Darling test for normality |

chisqPostHoc | Tests for significant differences among all pairs of populations in a chi-square test. |

ci.t | Constructs confidence intervals assuming normal distribution. |

ciSim | A dynamic graph to illustrate the concept of confidence intervals for a mean. |

cltSim | A dynamic graph to illustrate the Central Limit Theorem. |

corr | Compute correlation coefficients. |

corr.default | Compute correlation coefficients. |

corr.formula | Compute correlation coefficients. |

corrSim | Dynamic simulations to demonstrate how the correlation is computed. |

distrib | Plots calculated areas or values from a wide variety of continuous and discrete distribution functions. |

expandTable | Converts results in a contingency table into the original raw data. |

Frogs | Numbers of frogs on lakes as determined by call and visual methods. |

glhtSig | Extracts names for significantly different comparisons. |

glhtSig.glht | Extracts names for significantly different comparisons. |

gofCI | Pseudo- confidence intervals for multinomial levels. |

highlight | Labels a list of points on a two-dimensional plot. |

highlight.default | Labels a list of points on a two-dimensional plot. |

highlight.formula | Labels a list of points on a two-dimensional plot. |

identify.formula | Identify points in a plot using a formula. |

iqrCalc | Shows the steps in the manual calculation of the median and IQR. |

kANOVA | Specific utilities for use in a knitr document. |

kGLHT | Specific utilities for use in a knitr document. |

kHtest | Specific utilities for use in a knitr document. |

kREG | Specific utilities for use in a knitr document. |

levenesTest | Perform Levene's test for homogeneity of variances |

meanMedian | Dynamic simulations to demonstrate how the mean and median are computed. |

mrnorm | Multiple Simulations from Normal Distributions |

NCStats | Support for statistics classes at Northland College. |

outlierTest | Performs a test for outliers |

percTable | Express table entries as percentage of marginal table. |

plot.htest | Plots test statistic and p-value area for z-, t-, and chi-square tests. |

powerSim | Dynamic simulation of power calculation in 1-sample mean problems. |

predictionPlot | Shows the predicted value and interval on a fitted line plot. |

predictPlot | Shows the predicted value and interval on a fitted line plot. |

print.confint.glht | Modificaton of print.summary.glht() and print.confint.glth() to streamline output. |

print.htest | Modificaton of print.htest() to streamline output. |

print.iqrCalc | Shows the steps in the manual calculation of the median and IQR. |

print.lm | Modificaton of print.lm() to streamline output |

print.sdCalc | Shows the steps in the manual calculation of the standard deviation. |

print.summary.glht | Modificaton of print.summary.glht() and print.confint.glth() to streamline output. |

print.summary.glm | Modificaton of print.summary.lm() to streamline output |

print.summary.lm | Modificaton of print.summary.lm() to streamline output |

rSquared | Extract the coefficient of determination from a linear model object. |

sbeta | Demonstrates the shape of the PDF and CDF for the given distribution. |

sbinom | Demonstrates the shape of the PDF and CDF for the given distribution. |

schisq | Demonstrates the shape of the PDF and CDF for the given distribution. |

sdCalc | Shows the steps in the manual calculation of the standard deviation. |

sexp | Demonstrates the shape of the PDF and CDF for the given distribution. |

sf | Demonstrates the shape of the PDF and CDF for the given distribution. |

sgamma | Demonstrates the shape of the PDF and CDF for the given distribution. |

sgeom | Demonstrates the shape of the PDF and CDF for the given distribution. |

shyper | Demonstrates the shape of the PDF and CDF for the given distribution. |

slnorm | Demonstrates the shape of the PDF and CDF for the given distribution. |

snbinom | Demonstrates the shape of the PDF and CDF for the given distribution. |

snorm | Demonstrates the shape of the PDF and CDF for the given distribution. |

spois | Demonstrates the shape of the PDF and CDF for the given distribution. |

SquareLakePopn | Biological characteristics of the "Square Lake" population. |

srsdf | Extract a simple random sample from a data.frame. |

st | Demonstrates the shape of the PDF and CDF for the given distribution. |

transChooser | A dynamic graphic used to select transformations for simple linear models. |

view | Shows a random selection of rows from a data frame or matrix. |

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