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Documentation for package ‘lessR’ version 3.8.1

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A B C D E F G H L M N P R S T V W X

-- A --

ANOVA Analysis of Variance
av Analysis of Variance
av.brief Analysis of Variance

-- B --

BarChart Bar Chart for One or Two Variables
bc Bar Chart for One or Two Variables
BoxPlot Plot One or Two Continuous and/or Categorical Variables
bx Plot One or Two Continuous and/or Categorical Variables

-- C --

ca CountAll Descriptive Analysis of all Variables in the Data Frame
cfa Confirmatory Factor Analysis of a Multiple Indicator Measurement Model
corCFA Confirmatory Factor Analysis of a Multiple Indicator Measurement Model
corEFA Exploratory Factor Analysis and Multiple Indicator Measurement Model
corProp Proportionality Coefficients from Correlations
corRead Read Specified Correlation Matrix
corReflect Reflect Specified Variables in a Correlation Matrix
Correlation Correlation Analysis
corReorder Reorder Variables in a Correlation Matrix
corScree Eigenvalue Plot of a Correlation Matrix
CountAll CountAll Descriptive Analysis of all Variables in the Data Frame
cr Correlation Analysis
cr.brief Correlation Analysis

-- D --

dataBodyMeas Data: Body Measurements
dataCars93 Data: Cars93
dataEmployee Data: Employees
dataEmployee_lbl VariableLabels: Employee Data Set
dataJackets Data: Motorcycle Type and Thickness of Jacket
dataLearn Data: Distributed vs Massed Practice
dataMach4 Data: Machiavellianism
dataMach4_lbl VariableLabels: Mach4 Data Set
dataReading Data: Reading Ability
dataStockPrice Data: Stock price of Apple, IBM and Intel from 1980 through 2017
db Display Contents of a Data File and Optional Variable Labels
Density Density Curves from Data plus Histogram
details Display Contents of a Data File and Optional Variable Labels
dn Density Curves from Data plus Histogram
doFactors Create Factor Variables Across a Sequential Range or Vector of Variables

-- E --

efa Exploratory Factor Analysis and Multiple Indicator Measurement Model

-- F --

factors Create Factor Variables Across a Sequential Range or Vector of Variables

-- G --

getColors Hue, Chroma, Luminance (HCL) Color Wheel or Specified Colors

-- H --

Help Help System for Statistics by Topic that Suggests Related Functions
Histogram Histogram
hs Histogram

-- L --

label Assign Variable Labels [Superseded by VariableLabels]
lc Line Chart such as a Run Chart or Time-Series Chart
LineChart Line Chart such as a Run Chart or Time-Series Chart
Logit Logit Regression Analysis
lr Logit Regression Analysis

-- M --

Merge Merge Two Data Frames Horizontally or Vertically
Model Regression Analysis, ANOVA or t-test
model Regression Analysis, ANOVA or t-test
model.brief Regression Analysis, ANOVA or t-test
mrg Merge Two Data Frames Horizontally or Vertically

-- N --

Nest Nest the Values of an Integer or Factor Variable
nt Nest the Values of an Integer or Factor Variable

-- P --

pc Pie Chart
PieChart Pie Chart
pl Plot One or Two Continuous and/or Categorical Variables
Plot Plot One or Two Continuous and/or Categorical Variables
print.out Display a Portion of Output from a Saved List Object
print.out_all Display All Text Output from a Saved List Object
prob.norm Compute and Plot Normal Curve Probabilities over an Interval
prob.tcut Plot t-distribution Curve and Specified Cutoffs with Normal Curve
prob.znorm Plot a Normal Curve with Shaded Intervals by Standard Deviation
prop Proportionality Coefficients from Correlations

-- R --

rd Read Contents of a Data File with Optional Variable Labels and Feedback
rd.brief Read Contents of a Data File with Optional Variable Labels and Feedback
rd.cor Read Specified Correlation Matrix
Read Read Contents of a Data File with Optional Variable Labels and Feedback
Read2 Read Contents of a Data File with Optional Variable Labels and Feedback
rec Recode the Values of an Integer or Factor Variable
Recode Recode the Values of an Integer or Factor Variable
reflect Reflect Specified Variables in a Correlation Matrix
reg Regression Analysis
reg.brief Regression Analysis
regPlot regPlot Analysis
Regression Regression Analysis
reord Reorder Variables in a Correlation Matrix

-- S --

scales Confirmatory Factor Analysis of a Multiple Indicator Measurement Model
ScatterPlot Plot One or Two Continuous and/or Categorical Variables
scree Eigenvalue Plot of a Correlation Matrix
set Set the Default Color Theme and Other System Settings
showColors Display All Named R Colors and Corresponding rgb Values
showPalettes Display Color Palettes
simCImean Pedagogical Simulation for the Confidence Interval of the Mean
simCLT Pedagogical Simulation for the Central Limit Theorem
simFlips Pedagogical Binomial Simulation, Coin flips
simMeans Pedagogical Simulation of Sample Means over Repeated Samples
Sort Sort the Rows of a Data Frame
sp Plot One or Two Continuous and/or Categorical Variables
srt Sort the Rows of a Data Frame
ss Summary Statistics for One or Two Variables
ss.brief Summary Statistics for One or Two Variables
style Set the Default Color Theme and Other System Settings
subs Subset the Values of One or More Variables
Subset Subset the Values of One or More Variables
SummaryStats Summary Statistics for One or Two Variables

-- T --

to Create a Sequence of Numbered Variable Names with a Common Prefix and Width
trans Transform the Values of an Integer or Factor Variable
Transform Transform the Values of an Integer or Factor Variable
tt Generic Method for t-test and Standardized Mean Difference with Enhanced Graphics
tt.brief Generic Method for t-test and Standardized Mean Difference with Enhanced Graphics
ttest Generic Method for t-test and Standardized Mean Difference with Enhanced Graphics
ttestPower Compute a Power Curve for a One or Two Group t-test
ttp Compute a Power Curve for a One or Two Group t-test

-- V --

values List the Values of a Variable
VariableLabels Create or Display Variable Labels
ViolinPlot Plot One or Two Continuous and/or Categorical Variables
vl Create or Display Variable Labels
vp Plot One or Two Continuous and/or Categorical Variables

-- W --

Write Write the Contents of a Data Frame to an External File
wrt Write the Contents of a Data Frame to an External File
wrt.r Write the Contents of a Data Frame to an External File

-- X --

xAnd Text Processing: Insert and Into a List
xNum Text Processing: Convert a Number to a Word
xP Text Processing: Print Formatted Numbers
xRow Text Processing: Add the Word Row to Case Labels that Could be Numeric
xU Text Processing: Capitalize First Letter of a Word
xW Text Processing: Wrap Words to Create New Lines From a Specified Line