| Tools for Descriptive Statistics and Exploratory Data Analysis | DescTools-package DescTools |
| Concatenates Two Strings Without Any Separator | %c% Concatenate Strings |
| Like Operator | %like any% %like% |
| Find Matching (or Non-Matching) Elements | %nin% |
| Determines If And How Extensively Two Date Ranges Overlap | %overlaps% Interval Overlap |
| Coordinates for "bottomright", etc. | ABCCoords |
| Combine Multidimensional Arrays | Abind |
| Display Compact Abstract of a Data Frame | Abstract print.abstract |
| Add a Month to a Date | AddMonths |
| Raw Simple And Extended Percentage Agreement | Agree |
| Index Vector of All Values Involved in Ties | AllDuplicated |
| Test Multiple Objects for Exact Equality | AllIdentical |
| Anderson-Darling Test of Goodness-of-Fit | AndersonDarlingTest |
| Append Elements to Objects | Append Append.data.frame Append.default Append.matrix |
| Convert xtabs To matrix | as.matrix.xtabs |
| A Class for Dealing with the Yearmonth Format | AddMonths.ym as.Date.ym as.ym |
| Convert ASCII Codes to Characters and Vice Versa | AscToChar CharToAsc |
| Get Aspect Ratio of the Current Plot | Asp |
| Cramer's V, Pearson's Contingency Coefficient and Phi Coefficient Yule's Q and Y, Tschuprow's T | ContCoef CramerV Phi TschuprowT YuleQ YuleY |
| Association Measures | Assocs print.Assocs |
| Atkinson Index - A Measure of Inequality. | Atkinson |
| Area Under the Curve | AUC |
| Place a Break Mark on an Axis | AxisBreak |
| Compute Axis Tickmark Locations (For POSIXct Axis) | axTicks.Date axTicks.POSIXct |
| Barnard's Unconditional Test | BarnardTest |
| Bartels Rank Test of Randomness | BartelsRankTest |
| Place Value Labels on a Barplot | BarText |
| Converts Numbers From Binmode, Octmode or Hexmode to Decimal and Vice Versa | BinToDec DecToBin DecToHex DecToOct HexToDec OctToDec |
| Benford's Distribution | Benford dBenf pBenf qBenf rBenf |
| Operators To Check, If a Value Lies Within Or Outside a Given Range | %()% %(]% %)(% %)[% %:% %::% %[)% %[]% %](% %][% Between |
| Background of a Plot | Bg |
| Bhapkar Marginal Homogeneity Test | BhapkarTest |
| Confidence Intervals for Binomial Proportions | BinomCI |
| Sample Size for a Given Width of a Binomial Confidence Interval | BinomCIn |
| Confidence Interval for a Difference of Binomials | BinomDiffCI |
| Confidence Intervals for the Ratio of Binomial Proportions | BinomRatioCI |
| Binary Tree | BinTree PlotBinTree |
| Simple Bootstrap Confidence Intervals | BootCI |
| Box Cox Transformation | BoxCox BoxCoxInv |
| Automatic Selection of Box Cox Transformation Parameter | BoxCoxLambda |
| Add Text in a Box to a Plot | BoxedText BoxedText.default |
| Breslow-Day Test for Homogeneity of the Odds Ratios | BreslowDayTest |
| Breusch-Godfrey Test | BreuschGodfreyTest |
| Brier Score for Assessing Prediction Accuracy | BrierScore BrierScore.default BrierScore.glm |
| Confidence Intervals for the BrierScore | BrierScoreCI |
| Add a Legend to a Bubble Plot | BubbleLegend |
| Canvas for Geometric Plotting | Canvas |
| Transform Cartesian to Polar/Spherical Coordinates and Vice Versa | CartToPol CartToSph PolToCart SphToCart |
| Function to write a table | CatTable |
| Concordance Correlation Coefficient | CCC |
| Calculates Begin and End Angle From a List of Given Angles in Clockwise Mode | Clockwise |
| Find the Closest Value | Closest |
| Return the First Element Not Being NA | Coalesce |
| Cochran-Armitage Test for Trend | CochranArmitageTest |
| Cochran's Q test | CochranQTest CochranQTest.default CochranQTest.formula |
| Coefficient of Variation | CoefVar CoefVar.aov CoefVar.default CoefVar.lm CoefVarCI |
| Cohen's Effect Size | CohenD |
| Cohen's Kappa and Weighted Kappa | CohenKappa |
| Collapse Levels of a Table | CollapseTable |
| Add a ColorLegend to a Plot | ColorLegend |
| Convert Colors to Grey/Grayscale | ColToGray ColToGrey |
| Convert a Color or a RGB-color Into Hex String | ColToHex RgbToHex |
| R Color to HSV Conversion | ColToHsv |
| Equivalent Opaque Color for Transparent Color | ColToOpaque |
| Color to RGB Conversion | ColToRgb |
| Column Wrap | ColumnWrap |
| Get All Pairs Out of One or Two Sets of Elements | CombPairs |
| Find Complete Columns | CompleteColumns |
| Concordant and Discordant Pairs | ConDisPairs |
| Confusion Matrix And Associated Statistics | Conf Conf.default Conf.glm Conf.matrix Conf.multinom Conf.randomForest Conf.regr Conf.rpart Conf.svm Conf.table plot.Conf print.Conf Sens Spec |
| Add Connection Lines to a Barplot | ConnLines |
| Conover's Test of Multiple Comparisons | ConoverTest ConoverTest.default ConoverTest.formula |
| Pairwise Contrasts | Contrasts |
| Unit Conversion and Metrix Prefixes | CmToPts ConvUnit d.prefix d.units PtsToCm |
| Covariance and Correlation (Matrices) | Cor Cov |
| Find the Correlations for a Set x of Variables With Set y Removed | CorPart |
| Polychoric Correlation | CorPolychor print.CorPolychor |
| Count Complete Cases | CountCompCases print.CountCompCases |
| Count Work Days Between Two Dates | CountWorkDays |
| Get HWZ Datasets | CourseData |
| Cramer-von Mises Test for Normality | CramerVonMisesTest |
| Cronbach's Coefficient Alpha | CronbachAlpha |
| Vector Cross Product | Cross |
| n-dimensional Vector Cross Product | CrossN |
| C Statistic (Area Under the ROC Curve) | Cstat Cstat.default Cstat.glm |
| Confidence Intervals for the C Statistic (AUC) | CstatCI |
| Create a Factor Variable by Cutting an Age Variable | CutAge |
| Create a Factor Variable Using the Quantiles of a Continuous Variable | CutQ |
| ISO 3166-1 Country Codes | d.countries |
| Data diamonds | d.diamonds |
| Periodic Table of Elements | d.periodic |
| Data pizza | d.pizza |
| Classification of Scotch Single Malts | d.whisky |
| Datasets for Probabilistic Simulation | cards roulette tarot |
| Basic Date Functions | Day Day<- DiffDays360 HmsToMinute Hour IsLeapYear IsWeekend LastDayOfMonth Minute Month Month.ym MonthDays Now Quarter Second Timezone Today Week Weekday Year Year.ym YearDay YearDays YearMonth |
| Build-in Constants Extension | day.abb day.name |
| Convert Degrees to Radians and Vice Versa | DegToRad RadToDeg |
| Several Methods of Depreciation of an Asset | DB Depreciation SLN SYD |
| Describe Data | Desc Desc.character Desc.data.frame Desc.Date Desc.default Desc.factor Desc.formula Desc.integer Desc.labelled Desc.list Desc.logical Desc.numeric Desc.ordered Desc.palette Desc.table Desc.ts plot.Desc print.Desc |
| Some Aliases Set for Convenience | N |
| Some Custom Palettes | hblue hecru hgreen horange hred hyellow Pal plot.palette |
| DescTools Options | DescToolsOptions |
| Calculate Digit Sum | DigitSum |
| Rao's Diversity Coefficient | DivCoef |
| Maximal value of Rao's diversity coefficient also called quadratic entropy | DivCoefMax |
| Calculate Divisors | Divisors |
| Evaluates a Function Groupwise | DoBy DoBy.default DoBy.formula |
| Fast Alternative To The Internal 'do.call' | DoCall |
| Scalar Product | Dot |
| Draw Elliptic Arc(s) | DrawArc |
| Draw Confidence Band | DrawBand |
| Draw a Bezier Curve | DrawBezier |
| Draw a Circle | DrawCircle |
| Draw an Ellipse | DrawEllipse |
| Draw Regular Polygon(s) | DrawRegPolygon |
| Generate Dummy Codes for a Factor | Dummy |
| Dunnett's Test for Comparing Several Treatments With a Control | DunnettTest DunnettTest.default DunnettTest.formula |
| Dunn's Test of Multiple Comparisons | DunnTest DunnTest.default DunnTest.formula print.DunnTest |
| Durbin-Watson Test | DurbinWatsonTest |
| Shannon Entropy and Mutual Information | Entropy MutInf |
| Greenhouse-Geisser And Huynh-Feldt Epsilons | Eps |
| Add Error Bars to an Existing Plot | ErrBars |
| Effect Size Calculations for ANOVAs | aovlDetails aovlErrorTerms EtaSq EtaSq.aovlist EtaSq.lm |
| Expected Value and Variance | EX VarX |
| Expected Frequencies | ExpFreq |
| Kth Smallest/Largest Values | HighLow Large Small |
| Distributions of Maxima and Minima | dExtrVal pExtrVal qExtrVal rExtrVal |
| Prime Factorization of Integers | Factorize |
| Retrieve a Function's Arguments | FctArgs |
| Fibonacci Numbers | Fibonacci |
| Get Color on a Defined Color Range | FindColor |
| Determine Highly Correlated Variables | FindCorr |
| Fisher-Transformation for Correlation to z-Score | CorCI FisherZ FisherZInv |
| Convert a Text to a Table | FixToTable |
| Format Numbers and Dates | as.CDateFmt as.fmt Fmt Format Format.default Format.matrix Format.table |
| Fractional Part and Maximal Digits of a Numeric Value | Frac MaxDigits Ndec Prec |
| The Frechet Distribution | dFrechet pFrechet qFrechet rFrechet |
| Frequency Table for a Single Variable | Freq print.Freq |
| Bivariate (Two-Dimensional) Frequency Distribution | Freq2D Freq2D.default Freq2D.formula |
| Greatest Common Divisor and Least Common Multiple | GCD LCM |
| The Generalized Extreme Value Distribution | dGenExtrVal pGenExtrVal qGenExtrVal rGenExtrVal |
| The Generalized Pareto Distribution | dGenPareto pGenPareto qGenPareto rGenPareto |
| Generate Random Groups | GenRandGroups |
| Geometric Series | GeomSn |
| Geometric Transformations | GeomTrans |
| Return All Used Functions Within a Function | GetCalls |
| Get a Handle to a Running Word/Excel Instance | GetCurrWrd GetCurrXL |
| Create a New Word Instance | createCOMReference GetNewWrd WrdKill |
| Create a New Excel Instance | GetNewXL |
| Gini Coefficient | Gini |
| Gini-Simpson Coefficient, Gini-Deltas coefficient and Hunter-Gaston Index | GiniDeltas GiniSimpson HunterGaston |
| Geometric Mean and Standard Deviation | Gmean Gsd |
| The Gompertz distribution | dGompertz Gompertz pGompertz qGompertz rGompertz |
| Goodman Kruskal's Gamma | GoodmanKruskalGamma |
| Goodman Kruskal's Tau | GoodmanKruskalTau |
| G-Test for Count Data | GTest |
| The Gumbel Distribution | dGumbel pGumbel qGumbel rGumbel |
| Concentration Measures | Herfindahl Rosenbluth |
| Identify Closest Match to a Color Given by a Hexadecimal String | HexToCol |
| Convert a Hexstring Color to a Matrix With Three Red/Green/Blue Rows | HexToRgb |
| Harmonic Mean and Its Confidence Interval | Hmean |
| Convert h:m:s To/From Seconds | HmsToSec SecToHms |
| Hodges-Lehmann Estimator of Location | HodgesLehmann |
| Matrix of Hoeffding's D Statistics | HoeffD print.HoeffD |
| Hosmer-Lemeshow Goodness of Fit Tests | HosmerLemeshowTest |
| Hotelling's T2 Test | HotellingsT2Test HotellingsT2Test.default HotellingsT2Test.formula |
| Safe (generalized) Huber M-Estimator of Location | HuberM |
| Intraclass Correlations (ICC1, ICC2, ICC3 From Shrout and Fleiss) | ICC print.ICC |
| Identify Points In a Plot Using a Formula | identify.formula |
| Identify Points in Plot Lying Within a Rectangle or Polygon | IdentifyA IdentifyA.default IdentifyA.formula |
| Fill in NA values with the values of the nearest neighbours | ImputeKnn |
| Is a Specific Argument in the Dots-Arguments? | InDots |
| The (weighted) Interquartile Range | IQRw |
| Check If an Object Is of Type Date | IsDate |
| Test If a Variable Contains Only Two Unique Values | Flags IsDichotomous |
| Is a Distance Matrix Euclidean? | IsEuclid summary.dist |
| Checks If An Integer Is Even Or Odd | IsOdd |
| IsPrime Property | IsPrime |
| Check Windows Pointer | IsValidHwnd |
| (Robust) Jarque Bera Test | JarqueBeraTest |
| Exact Version of Jonckheere-Terpstra Test | JonckheereTerpstraTest JonckheereTerpstraTest.default JonckheereTerpstraTest.formula |
| Kappa for m Raters | KappaM |
| Kendall's Tau-a | KendallTauA |
| Kendall's Tau-b | KendallTauB |
| Kendall's Coefficient of Concordance W | KendallW |
| List Keywords For R Manual Pages | Keywords |
| Krippendorff's Alpha Reliability Coefficient | KrippAlpha |
| Label, Unit Attribute of an Object | Label Label<- Labels Labels<- Unit Unit<- |
| Goodman Kruskal Lambda | Lambda |
| Lorenz Curve | Lc Lc.default Lc.formula lines.Lc Lorenz curve plot.Lc plot.Lclist predict.Lc |
| Lehmacher's Test for Marginal Homogenity | LehmacherTest print.mtest |
| Levene's Test for Homogeneity of Variance | LeveneTest LeveneTest.default LeveneTest.formula LeveneTest.lm |
| Lilliefors (Kolmogorov-Smirnov) Test for Normality | LillieTest |
| Add a Linear Regression Line | lines.lm |
| Add a Loess or a Spline Smoother | lines.loess lines.smooth.spline lines.SmoothSpline |
| Convert Line Coordinates To User Coordinates | LineToUser |
| Linear Scaling | LinScale |
| List Objects, Functions Or Data in a Package | LsFct LsObj |
| Last Observation Carried Forward | LOCF LOCF.data.frame LOCF.default LOCF.matrix |
| Local Outlier Factor | LOF |
| Generalized Logit and Inverse Logit Function | Logit LogitInv |
| Started Logarithmic Transformation and Its Inverse | LogSt LogStInv |
| Median Absolute Deviation | MAD |
| Confidence Intervals for Median Absolute Deviations | MADCI |
| Set Plot Margins and Distances | Mar Mgp |
| Matrix Power | %^% matpow |
| (Weighted) Arithmetic Mean | Mean Mean.default Mean.Freq |
| Mean Absolute Deviation From a Center Point | MeanAD |
| Confidence Intervals for the Mean | MeanCI |
| Sample Size for a Given Width of a Confidence Interval for a Mean | MeanCIn |
| Confidence Interval For Difference of Means | MeanDiffCI MeanDiffCI.default MeanDiffCI.formula |
| Standard Error of Mean | MeanSE |
| Measures of Accuracy | MAE MAE.default MAE.lm MAPE MAPE.default MAPE.lm MSE MSE.default MSE.lm NMAE NMSE RMSE RMSE.default RMSE.lm SMAPE SMAPE.default SMAPE.lm |
| Skewness and Kurtosis | Kurt Skew |
| (Weighted) Median Value | Median Median.default Median.factor Median.Freq |
| Confidence Interval for the Median | MedianCI |
| Multiple Gsub | Mgsub |
| Mantel-Haenszel Chi-Square Test | MHChisqTest |
| Find the Midpoints of a Numeric Vector | Midx |
| Compute the Convex Combination of Two Colors | MixColor |
| Mode, Most Frequent Value(s) | Mode |
| Moses Test of Extreme Reactions | MosesTest MosesTest.default MosesTest.formula |
| Moving Average | MoveAvg |
| Confidence Intervals for Multinomial Proportions | MultinomCI |
| Merge Multiple Data Frames | MultMerge |
| Replace NAs in a Factor by a Given Level | NALevel |
| Nemenyi Test | NemenyiTest NemenyiTest.default NemenyiTest.formula |
| As Numeric Factor | Nf |
| Short Selection of Financial Mathematical Functions | IRR NPV NPVFixBond OPR YTM |
| Non Zero Elements | NZ |
| Odds Ratio Estimation and Confidence Intervals | OddsRatio OddsRatio.default OddsRatio.glm OddsRatio.multinom OddsRatio.zeroinfl |
| Distributions of Order Statistics | dOrder pOrder rOrder |
| Transform Odds Ratio to Relative Risk | ORToRelRisk ORToRelRisk.default ORToRelRisk.OddsRatio |
| Outlier | Outlier |
| Exact Page Test for Ordered Alternatives | PageTest PageTest.default PageTest.formula |
| Pairwise Calculations | PairApply |
| Parse a Formula and Create a Model Frame | ParseFormula |
| Parse a SAS Dataline Command | ParseSASDatalines |
| Password Dialog | PasswordDlg |
| Get PDF Manual of a Package From CRAN | PDFManual |
| Pearson Chi-Square Test for Normality | PearsonTest |
| Percent Ranks | PercentRank |
| Percentage Table | Margins PercTable PercTable.default PercTable.formula PercTable.matrix PercTable.table print.PercTable |
| Number and Samples for Permutations or Combinations of a Set | CombN CombSet Permn |
| Phrasing Results of t-Test | Phrase |
| Combined Plot of a Time Series and Its ACF and PACF | PlotACF PlotGACF |
| Create an Area Plot | PlotArea PlotArea.default PlotArea.formula |
| Bivariate Boxplot | compute.bagplot plot.bagplot PlotBag PlotBagPairs |
| Draw a Bubble Plot | PlotBubble PlotBubble.default PlotBubble.formula |
| Plot Candlestick Chart | PlotCandlestick |
| Cash Flow Plot | PlotCashFlow |
| Plot Circular Plot | PlotCirc |
| Plot Conditional Densities | PlotConDens |
| Plot a Correlation Matrix | PlotCorr |
| Cleveland's Dot Plots | PlotDot PlotDotCI |
| Empirical Cumulative Distribution Function | PlotECDF |
| Chernoff Faces | PlotFaces |
| Frequency Distribution Plot | PlotFdist |
| Plot a Function | PlotFun |
| Plot Lines | PlotLinesA |
| Logarithmic Plot | PlotLog |
| Scatterplot With Marginal Densities | PlotMarDens |
| Plot Missing Data | PlotMiss |
| Cycle Plot for Seasonal Effects of an Univariate Time Series | PlotMonth |
| Mosaic Plots | PlotMosaic |
| Plot Multiple Density Curves | PlotMultiDens PlotMultiDens.default PlotMultiDens.formula |
| Extended Scatterplot Matrices | PlotPairs |
| Plot Values on a Circular Grid | PlotPolar |
| Plot Probability Distribution | PlotProbDist |
| Draw a Back To Back Pyramid Plot | PlotPyramid |
| QQ-Plot for Any Distribution | PlotQQ |
| Ternary or Triangular Plots | PlotTernary |
| Create a Treemap | PlotTreemap |
| Plot a Venn Diagram | PlotVenn |
| Plot Violins Instead of Boxplots | PlotViolin PlotViolin.default PlotViolin.formula |
| Plot a Web of Connected Points | PlotWeb |
| Periodic Payment of an Annuity. | IPMT PMT PPMT RBAL |
| Poisson Confidence Interval | PoissonCI |
| Plot a Grid in Polar Coordinates | PolarGrid |
| Post-Hoc Tests | plot.PostHocTest PostHocTest PostHocTest.aov PostHocTest.matrix PostHocTest.table print.PostHocTest |
| Power Calculations for ChiSquared Tests | power.chisq.test |
| Add Slides, Insert Texts and Plots to PowerPoint | GetCurrPP GetNewPP PpAddSlide PpPlot PpText |
| "Reverse" Gumbel Distribution Functions | dRevGumbel pRevGumbel qRevGumbel qRevGumbelExp rRevGumbel |
| Find All Primes Less Than n | Primes |
| Pseudo R2 Statistics | PseudoR2 |
| Point in Polygon | PtInPoly |
| (Weighted) Sample Quantiles | Quantile |
| Confidence Interval for Any Quantile | QuantileCI |
| Lagged Quotients | Quot |
| (Robust) Range | Range |
| Fast Sample Ranks | Rank |
| Read SPSS Datafiles and Return It in Good Old Style Data Frame Structure | ReadSPSS |
| Recode a Factor | Recode |
| Recyle a List of Elements | Recycle |
| Relative Risk | RelRisk |
| Change Names of a Named Object | Rename |
| Reorder the Levels of a Factor | reorder.factor |
| Reverse Elements of a Vector, a Matrix, a Table, an Array or a Data.frame | Rev Rev.array Rev.data.frame Rev.default Rev.matrix Rev.table |
| Reverse Codes | RevCode |
| The Reverse Weibull Distribution | dNegWeibull dRevWeibull pNegWeibull pRevWeibull qNegWeibull qRevWeibull rNegWeibull rRevWeibull |
| Conversion Between RGB and CMYK | CmykToCmy CmykToRgb CmyToCmyk RgbToCmy |
| Find the Nearest Named R-Color to a Given RGB-Color | LongToRgb RgbToCol RgbToLong |
| Create Pairs of Correlated Random Numbers | RndPairs RndWord |
| Robust Scaling With Median and Mad | RobScale |
| Convert Roman Numerals to Integers | RomanToInt |
| Rotate a Geometric Structure | Rotate |
| Round to Multiple | RoundTo |
| How Long Has the RSession Been Running? | RSessionAlive RTempdirAlive |
| Confidence Intervals for the R squared of a Linear Model | RSqCI |
| Random Numbers Adding Up to 1 | rSum21 |
| Runs Test for Randomness | RunsTest RunsTest.default RunsTest.formula |
| Random Samples and Permutations | Sample |
| Sample Twins | SampleTwins |
| Saves an R Object Under a Different Name | SaveAs |
| Scheffe Test for Pairwise and Otherwise Comparisons | ScheffeTest ScheffeTest.aov ScheffeTest.default ScheffeTest.formula |
| (Weighted) Standard Deviation | SD SDN |
| Send a Mail Using Outlook as Mail Client | SendOutlookMail |
| Add an Alpha Channel To a Color | Fade SetAlpha |
| Set the Names in an Object | SetNames |
| Produce a Shaded Curve | Shade |
| Shapiro-Francia Test for Normality | ShapiroFranciaTest |
| Siegel-Tukey Test For Equality In Variability | SiegelTukeyRank SiegelTukeyTest SiegelTukeyTest.default SiegelTukeyTest.formula |
| Sign Test | SignTest SignTest.default SignTest.formula |
| Formula Interface For 'smooth.spline' | SmoothSpline SmoothSpline.default SmoothSpline.formula |
| Return Some Randomly Chosen Elements of an Object | Some Some.data.frame Some.default Some.matrix |
| Check a Vector For Being Numeric, Zero Or a Whole Number | IsNumeric IsWhole IsZero |
| Somers' Delta | SomersDelta |
| Sort a Vector, a Matrix, a Table or a Data.frame | Sort Sort.data.frame Sort.default Sort.matrix Sort.table |
| Sort Strings with Embedded Numbers Based on Their Numeric Order | OrderMixed SortMixed |
| Spearman Rank Correlation | SpearmanRho |
| Formula Interface for Split | split.formula |
| Split a Vector Into Several Pieces at Given Positions | SplitAt |
| Split Path In Drive, Path, Filename | SplitPath |
| Split Data Frame String Column Into Multiple Columns | SplitToCol |
| Split Strings of a Vector and Provide Dummy Codes for Found Pieces | SplitToDummy |
| Spread Out a Vector of Numbers To a Minimum Interval | SpreadOut |
| Date/Time/Directory Stamp the Current Plot | Stamp |
| Standardized Model Coefficients | PartialSD StdCoef |
| Compactly Display the Structure of any R Object | Str |
| String Abbreviation | StrAbbr |
| String Alignment | StrAlign |
| Stratified Sampling | Strata |
| Capitalize the First Letter of a String | StrCap |
| Split a String into a Number of Sections of Defined Length | StrChop |
| Count Words in a String | StrCountW |
| Compute Distances Between Strings | StrDist |
| Extract Part of a String | StrExtract StrExtractBetween |
| Remove Attributes from an Object | SetAttr StripAttr |
| Does a String Contain Only Numeric Data | StrIsNumeric |
| Returns the Left Or the Right Part Of a String | StrLeft StrRight |
| Pad a String With Justification | StrPad |
| Find Position of First Occurrence Of a String | StrPos |
| Reverse a String | StrRev |
| Spell a String Using the NATO Phonetic or the Morse Alphabet | StrSpell |
| Split the Elements of a Character Vector | StrSplit |
| Remove Leading/Trailing Whitespace From A String | StrTrim |
| Truncate Strings and Add Ellipses If a String is Truncated. | StrTrunc |
| Extract All Numeric Values From a String | StrVal |
| Stuart-Maxwell Marginal Homogeneity Test | StuartMaxwellTest |
| Stuart Tau-c | StuartTauC |
| System Information | FindRProfile SysInfo |
| Choose Textcolor Depending on Background Color | TextContrastColor |
| Converts String To a Table | TextToTable |
| Theil's U Index of Inequality | TheilU |
| Plot Boxed Annotation | TitleRect |
| Comparison Table For Linear Models | ModSummary ModSummary.glm ModSummary.lm plot.TMod print.TMod TMod |
| Reshape a Vector From Long to Wide Shape Or Vice Versa | ToLong ToWide |
| Create Table One Describing Baseline Characteristics | TOne |
| Send Objects to Word | ToWrd ToWrd.character ToWrd.data.frame ToWrd.default ToWrd.Freq ToWrd.ftable ToWrd.lm ToWrd.table ToWrd.TMod ToWrd.TOne |
| Send Objects to Word and Bookmark Them | ToWrdB |
| Send a Plot to Word and Bookmark it | ToWrdPlot |
| The Triangular Distribution | dTri pTri qTri rTri Triangular |
| Trim a Vector | Trim |
| Student's t-Test Based on Sample Statistics | TTestA |
| Calculate Tukey's Biweight Robust Mean | TukeyBiweight |
| Describe a Variable by a Factor with Two Levels | ToWrd.TwoGroups TwoGroups TwoGroups.default TwoGroups.formula |
| Uncertainty Coefficient | UncertCoef |
| Finds many (all) roots of one equation within an interval | UnirootAll |
| Recover Original Data From Contingency Table | Untable Untable.data.frame Untable.default |
| Inverse Which | Unwhich |
| van der Waerden Test | VanWaerdenTest VanWaerdenTest.default VanWaerdenTest.formula |
| Variance | Var Var.default Var.Freq VarN |
| Confidence Intervals for the Variance | VarCI |
| ChiSquare Test for One Variance and F Test to Compare Two Variances | VarTest VarTest.default VarTest.formula |
| Vector Rotation (Shift Elements) | VecRot VecShift |
| Variance Inflation Factors | VIF |
| Vigenere Cypher | Vigenere |
| Von Neumann's Successive Difference Test | VonNeumannTest |
| Word VBA Constants | wdConst xlConst |
| Winsorize (Replace Extreme Values by Less Extreme Ones) | Winsorize |
| Execute Function with Temporary Options | WithOptions |
| Woolf Test For Homogeneity in 2x2xk Tables | WoolfTest |
| Some Functions to Handle MS-Word Bookmarks | WrdBookmark WrdDeleteBookmark WrdGoto WrdInsertBookmark WrdUpdateBookmark |
| Insert Caption to Word | WrdCaption |
| Return the Cell Range Of a Word Table | WrdCellRange |
| Get or Set the Font in Word | WrdFont WrdFont<- |
| Format Cells Of a Word Table | WrdFormatCells |
| Merges Cells Of a Defined Word Table Range | WrdMergeCells |
| Insert a Page Break | WrdPageBreak |
| Get or Set the Paragraph Format in Word | WrdParagraphFormat WrdParagraphFormat<- |
| Insert Active Plot to Word | WrdPlot |
| Open and Save Word Documents | WrdOpenFile WrdSaveAs |
| Get or Set the Style in Word | WrdStyle WrdStyle<- |
| Insert a Table in a Word Document | WrdTable |
| Draw Borders to a Word Table | WrdTableBorders |
| Insert Headings for a Table in Word | WrdTableHeading |
| Convert Excel Dates to POSIXct | XLDateToPOSIXct |
| Import Data Directly From Excel | XLCurrReg XLGetRange XLGetWorkbook XLNamedReg |
| Save Excel File | XLSaveAs |
| Use MS-Excel as Viewer for a Data.Frame | ToXL ToXL.data.frame ToXL.default ToXL.matrix XLKill XLView |
| Yuen t-Test For Trimmed Means | YuenTTest YuenTTest.default YuenTTest.formula |
| Replace NAs by 0 | BlankIfNA Impute NAIf NAIfBlank NAIfZero ZeroIfNA |
| Calculate the Zodiac of a Date | Zodiac |
| Z Test for Known Population Standard Deviation | ZTest ZTest.default ZTest.formula |
