Regression Estimation and Presentation

addLines | Superimpose regression lines on a plotted plane |

centerNumerics | Find numeric columns, center them, re-name them, and join... |

centralValues | Central Tendency estimates for variables |

cheating | Cheating and Looting in Japanese Electoral Politics |

checkIntFormat | A way of checking if a string is a valid file name. |

checkPosDef | Check a matrix for positive definitness |

combineLevels | recode a factor by "combining" levels |

cutByQuantile | Calculates the "center" quantiles, always including the... |

cutBySD | Returns center values of x, the mean, mean-std.dev,... |

cutByTable | Select most frequently occurring values from numeric or... |

cutFancy | Create an ordinal variable by grouping numeric data input. |

descriptiveTable | Summary stats table-maker for regression users |

dir.create.unique | Create a uniquely named directory. Appends number &... |

drawnorm | draw a normal distribution with beautiful illustrations |

focalVals | Create a focal value vector. |

formatSummarizedFactors | Prints out the contents of an object created by... |

formatSummarizedNumerics | Reformat numeric summarize output as one column per variable,... |

genCorrelatedData | Generates a data frame for regression analysis |

genCorrelatedData2 | Generates a data frame for regression analysis. |

genCorrelatedData3 | Generate correlated data for simulations (third edition) |

genX | Generate correlated data (predictors) for one unit |

getAuxRsq | retrieves estimates of the coefficient of determination from... |

getDeltaRsquare | Calculates the delta R-squares, also known as squared... |

getFocal | Select focal values from an observed variable. |

getPartialCor | Calculates partial correlation coefficients after retrieving... |

getVIF | Converts the R-square to the variance inflation factor |

gmc | Group Mean Center: Generate group summaries and individual... |

kurtosis | Calculate excess kurtosis |

lazyCor | Create correlation matrices. |

lazyCov | Create covariance matrix from correlation and standard... |

lmAuxiliary | Estimate leave-one-variable-out regressions |

magRange | magRange Magnify the range of a variable. |

makeSymmetric | Create Symmetric Matrices, possibly covariance or correlation... |

makeVec | makeVec for checking or creating vectors |

mcDiagnose | Multi-collinearity diagnostics |

mcGraph | Illustrate multicollinearity in regression, part 1. |

meanCenter | meanCenter |

model.data | Create a "raw" (UNTRANSFORMED) data frame equivalent to the... |

model.data.default | Create a data frame suitable for estimating a model |

mvrnorm | Minor revision of mvrnorm (from 'MASS') to facilitate... |

newdata | Create a newdata frame for usage in predict methods |

outreg | Creates a publication quality result table for regression... |

outreg2HTML | Convert LaTeX output from outreg to HTML markup |

padW0 | Pad with 0's. |

pctable | Creates a cross tabulation with counts and percentages |

perspEmpty | perspEmpty |

plotCurves | Assists creation of predicted value curves for regression... |

plotFancy | Regression plots with predicted value lines, confidence... |

plotFancyCategories | Draw display for discrete predictor in plotSlopes |

plotPlane | Draw a 3-D regression plot for two predictors from any linear... |

plotSeq | Create sequences for plotting |

plotSlopes | Generic function for plotting regressions and interaction... |

plot.testSlopes | Plot testSlopes objects |

predictCI | Calculate a predicted value matrix (fit, lwr, upr) for a... |

predictOMatic | Create predicted values after choosing values of predictors.... |

print.pctable | Display pctable objects |

print.summarize | print method for output from summarize |

print.summary.pctable | print method for summary.pctable objects |

rbindFill | Stack together data frames |

religioncrime | Religious beliefs and crime rates |

removeNULL | Remove NULL values variables from a list |

residualCenter | Calculates a "residual-centered" interaction regression. |

rockchalk-package | rockchalk: regression functions |

se.bars | Draw standard error bar for discrete variables |

skewness | Calculate skewness |

standardize | Estimate standardized regression coefficients for all... |

summarize | Sorts numeric from discrete variables and returns separate... |

summarizeFactors | Extracts non-numeric variables, calculates summary... |

summarizeNumerics | Extracts numeric variables and presents an summary in a... |

summary.factor | Tabulates observed values and calculates entropy |

summary.pctable | Extract presentation from a pctable object |

testSlopes | Hypothesis tests for Simple Slopes Objects |

vech2Corr | Convert the vech (column of strictly lower trianglar values... |

vech2mat | Convert a half-vector (vech) into a matrix. |

waldt | T-test for the difference in 2 regression parameters |

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