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Course Outline
Introduction and Preliminaries for Government
- Making R more user-friendly, including available GUIs
- RStudio
- Related software and documentation
- R and statistics
- Using R interactively
- An introductory session
- Getting help with functions and features
- R commands, case sensitivity, etc.
- Recall and correction of previous commands
- Executing commands from or diverting output to a file
- Data permanency and removing objects
Simple Manipulations; Numbers and Vectors for Government
- Vectors and assignment
- Vector arithmetic
- Generating regular sequences
- Logical vectors
- Missing values
- Character vectors
- Index vectors; selecting and modifying subsets of a data set
- Other types of objects
Objects, Their Modes, and Attributes for Government
- Intrinsic attributes: mode and length
- Changing the length of an object
- Getting and setting attributes
- The class of an object
Arrays and Matrices for Government
- Arrays
- Array indexing. Subsections of an array
- Index matrices
- The array() function
- The outer product of two arrays
- Generalized transpose of an array
- Matrix facilities
- Matrix multiplication
- Linear equations and inversion
- Eigenvalues and eigenvectors
- Singular value decomposition and determinants
- Least squares fitting and the QR decomposition
- Forming partitioned matrices, cbind() and rbind()
- The concatenation function, c(), with arrays
- Frequency tables from factors
Lists and Data Frames for Government
- Lists
- Constructing and modifying lists
- Concatenating lists
- Data frames
- Making data frames
- attach() and detach()
- Working with data frames
- Attaching arbitrary lists
- Managing the search path
Data Manipulation for Government
- Selecting, subsetting observations and variables
- Filtering, grouping
- Recoding, transformations
- Aggregation, combining data sets
- Character manipulation, stringr package
Reading Data for Government
- Txt files
- CSV files
- XLS, XLSX files
- SPSS, SAS, Stata, and other formats data
- Exporting data to txt, csv, and other formats
- Accessing data from databases using SQL language
Probability Distributions for Government
- R as a set of statistical tables
- Examining the distribution of a set of data
- One- and two-sample tests
Grouping, Loops, and Conditional Execution for Government
- Grouped expressions
- Control statements
- Conditional execution: if statements
- Repetitive execution: for loops, repeat, and while
Writing Your Own Functions for Government
- Simple examples
- Defining new binary operators
- Named arguments and defaults
- The '...' argument
- Assignments within functions
- More advanced examples
- Efficiency factors in block designs
- Dropping all names in a printed array
- Recursive numerical integration
- Scope
- Customizing the environment
- Classes, generic functions, and object orientation
Graphical Procedures for Government
- High-level plotting commands
- The plot() function
- Displaying multivariate data
- Display graphics
- Arguments to high-level plotting functions
- Basic visualization graphs
- Multivariate relations with lattice and ggplot package
- Using graphics parameters
- Graphics parameters list
Time Series Forecasting for Government
- Seasonal adjustment
- Moving average
- Exponential smoothing
- Extrapolation
- Linear prediction
- Trend estimation
- Stationarity and ARIMA modeling
Econometric Methods (Causal Methods) for Government
- Regression analysis
- Multiple linear regression
- Multiple non-linear regression
- Regression validation
- Forecasting from regression
21 Hours
Testimonials (2)
Good detail on what R is used for and how to start using it right away
Hoss Shenassa - Trimac Management Services LP
Course - Introduction to R with Time Series Analysis
the matter was well presented and in an orderly manner.
