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R programming @ UMassD
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00. R reference card
01. Introduction
02. Installation of R
03. List, vector, and matrices
04. Generarting regular sequences
05. Data frames
06. Logical operators, missing values
07. Dealing with files
08. Importing data from Excel files
09. Conditional statements
10. Loops in R
11. Writing your own functions
Subpages
Frequency of letters
List of primes
Non-duplicate items in a list
Number of positive items in a list
Second max of a list
12. Probability distributions
13. Desc and graph statistics
14. Hypothesis testing
15. R visualization
Subpages
Bubble plot of US population by states (selected)
Chernoff faces on US arrest data by states
Elementary shapes
Example R code for boxplot (New Bedford temperature)
Example R code for grouped bar chart
Example R code for stacked bar plot of UC enrollment by years
Generating dendrogram
Hexagon binning plot of bivariate normal data
Mosaic plot of survival statistics on Titanic
New England population by states
New England populations by states (in thousand)
Population pyramid for US population (1950 vs 2000)
Principal component analysis (PCA)
R code for heat map on the US map by states
Word cloud
16. R programming exercises
Subpages
Average k-nearest neighbor distances
Finding the top K entries from a list
largest near neighbor distance
17. Example R code
R programming @ UMassD
Mosaic plot of survival statistics on Titanic
library(stats);
mosaicplot(Titanic, main="Survival statistics on Titanic",
color=2:4);
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