Date post: | 19-Jan-2015 |
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Education |
Upload: | vignes-gopal |
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Getting started to R
You can get in touch with the opening of R through start menu, command prompt, and program files.
When you open R, you will be able to notice some of the statements and the statements are as below:-
Basic elements of R
“ > “ = Communicating symbol that can speed up the interactions between the user and software(R)
(i)Reflection of R as a calculator
R will be able to handle simple, intermediate and advance tasks of computations,(inclusion of the capacity to handle mathematical functions)
Summation (Addition)
Subtraction(Elimination)
Multiplication
Division
Mathematical functions (cos, tan, sin, log, abs, acos, atan, asin, factorial, lfactorial, and etc)
Nature of variables
a)Numeric
b) Integer
c) Double
c) complex
d) Logical
e) Character
Vector
Combinations of vectors
Summation/Addition
Subtraction/Elimination
Multiplication
Division
Computations among vectors with different lengths
Summation/Addition
Subtraction/Elimination
Multiplication
Division
Vector index
If else condition
Building of matrix
Transposition of matrix
Combinations of matrices
(i)Column binding
(ii)Row binding
Summation of matrices
Subtraction of matrices
Multiplication of matrices
Division of matrices
Listings of internal members (alphabets and numbers)
Data Frame