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Documentation for package ‘lessR’ version 3.3

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

-- A --

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

-- B --

BarChart Bar Chart of One or Two Variables
bc Bar Chart of One or Two Variables
BoxPlot Boxplot
bx Boxplot

-- 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
dataJackets Data: Motorcycle Type and Thickness of Jacket
dataLearn Data: Distributed vs Massed Practice
dataMach4 Data: Machiavellianism
dataReading Data: Reading Ability
Density Density Curves from Data plus Histogram
details Display Contents of a Data File and Optional Variable Labels
details.brief Display Contents of a Data File and Optional Variable Labels
dn Density Curves from Data plus Histogram
DotPlot Scatterplot for One (Dot Plot) or Two Variables
dp Scatterplot for One (Dot Plot) or Two Variables

-- E --

efa Exploratory Factor Analysis and Multiple Indicator Measurement Model

-- H --

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

-- L --

label Return or Assign a Variable Label
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
Plot Scatterplot for One (Dot Plot) or Two Variables
print.out_all Disply All Text Output from a Saved List Object
print.out_piece Display a Piece of 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 Scatterplot for One (Dot Plot) or Two 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
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 Scatterplot for One (Dot Plot) or Two 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
subs Subset the Values of an Integer or Factor Variable
Subset Subset the Values of an Integer or Factor Variable
SummaryStats Summary Statistics for One or Two Variables

-- T --

to Create a Sequence of Numbered Variable Names with a Common Prefix
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

-- 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