Introductory Slides for R - Statistics

More documents

Recommendations

Info

Character Matrices> letters[1:3][1] "a" "b" "c"> LETTERS[1:3][1] "A" "B" "C"> ABC ABC[,1] [,2][1,] "a" "A"[2,] "b" "B"[3,] "c" "C"> cbind(1:3,letters[1:3])[,1] [,2][1,] "1" "a"[2,] "2" "b"[3,] "3" "c"# Numbers were coerced to characters# Elements of matrices have to be of same mode.21
Matrices via rbind> rmat rmat[,1] [,2] [,3][1,] 1 2 3[2,] 2 3 4[3,] 5 6 7> mat[1:3,]x y y2[1,] 1 5 25[2,] 2 4 16[3,] 3 3 9> mat[1:3,]+rmatx y y2[1,] 2 7 28[2,] 4 7 20[3,] 8 9 1622
Page 1 and 2: STAT 311Elements of Statistical Met
Page 3 and 4: Statistical Analysis PlatformFreely
Page 5 and 6: Workspaces and DirectoriesBy defaul
Page 7 and 8: Help in RIf you know the name of a
Page 9 and 10: Median ValueDescriptionCompute the
Page 11 and 12: Basic Usage of RWe can use R as an
Page 13 and 14: Functions Creating Vectors> 1:10[1]
Page 15 and 16: Data ModesWe saw that vectors can b
Page 17 and 18: Mode CoercionMixed mode elements in
Page 19 and 20: Matrices> mat mat # vertically pos
Page 21: Submatrices of Matrices> mat[1:3,1:
Page 25 and 26: Custom FunctionsR can be extended b
Page 27 and 28: Another Way to Construct FunctionsW
Page 29 and 30: Using the NotePad or WordPad Editor
Page 31 and 32: Saving Objects outside the R Worksp
Page 33 and 34: Getting Data into R from ExcelGetti
Page 35 and 36: ListsLists allow more general forms
Page 37 and 38: Lists with Named Objects> b.list b
Page 39 and 40: Programming Control Tools: for loop
Page 41 and 42: Graphics in RSome people use R just
Page 43 and 44: Simple Command Line Graphics> hist(
Page 45 and 46: Text Annotated Graphicshist.rainier
Page 47 and 48: Math Annotated Graphicsplot.fun
Page 49 and 50: PackagesAside from your own extensi

Introductory Slides for R - Statistics

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?