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R - Psych Package

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R 170 pages

Apply a function over a data structure

Attribute of an object

Binomial Distribution

C (combine) function

Choose (binomial coefficient)

(function|closure)

Cluster Generation

Coerce methods (Object Class conversion)

Colon (:) OperatoSequence generator

Colorspace (Manipulation)

Connection (Stream)

K-fold cross-validation (with Leave-one-out)

Data frame Object

Data Generation

Data Manipulation

Default Data Set

Database (JDBC, ...)

(dependent|paired sample) t-test

Dimension (Dim)

Dplyr (Data Frame Operations)

(Dummy Code|Categorical Variable) in Regression

Environment variable

Environment (Scope)

Factor (Category, Enumerated Type)

Feature selection - Model Generation (Best Subset and Stepwise)

Fitting Function

Flow (Control Structure)

Formula ( ~ tilde)

File System (File, Directory)

Generalized linear model (glm)

Getting Started

Hierarchical Clustering

(Indicator|Identity) Function (I)

Independent t-test

Inf (Infinity Constant)

Install and Configuration (RProfile)

ORE - Install 1.3.1

Interaction Analysis

Join Data Frame (Merge)

K-means clustering

Knit (Report generation)

K-Nearest Neighbors (KNN) Analysis

Linear Discriminant Analysis (LDA)

(Fitting) Linear Model (lm)

LOcal regrESSion (LOESS)

Log Message (Output stream)

Logistic Regression

MKL (Math Kernel Library)

Feature Selection - Model selection with Direct validation (Validation Set or Cross validation)

Feature Selection - Indirect Model Selection

Microsoft - R Open (MRO, formerly Revolution R Open) and Microsoft R Server (MRS, formerly Revolution R Enterprise)

Multiple Linear Regression

NA (Not Available)

Non-linear Effect Analysis

Normal Distribution

(Numeric|Double) Vector

(Object|Variable|Symbol)

Object Scope (Scoping Rule)

(Mathematical|Logical) Operators

Option (Global Options)

ORE (Oracle R Enterprise)

Principal Component Analysis

Pipe Operator %%>%%

Plot (Graphic System)

Date Time (POSIXct)

Rep (repetition of element)

Reserved (Variable|Words)

Return Function

Shrinkage Method (Ridge Regression and Lasso)

R Markdown (Rmd)

Script (.R file)

Standard Deviation (sd)

Simple Linear Regression

Object Memory Size

Smoothing spline

Special Character

Special Character

Step Function Model

Lang:r:stepwise

Str (Structure)

Subset Operators (Extract or Replace Parts of an Object)

(Datatype|Type|Storage Mode) of an object (typeof, mode)

The Uniform Distribution - (d|p|q|r)unif

R - Psych Package

> Procedural Languages > R

See http://personality-project.org/r/psych/

In God we trust, all others must bring data.
W.E. Deming

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