R codes are shown live.
Just type the codes & put Enter on your Key-board.
Just type the codes & put Enter on your Key-board.
Code | Execution |
chose(12,8) | Combination of 8 objects out of 12. ^{12}C_{3} |
gamma(5) | Gives value of gamma function |
?’+’ | Arithmetic Operator help page. |
factorial(9) | 9! |
exp(2.3) | e^{2.3} |
2.7^2 | 2.7^{2} |
sqrt(64) | Square Root of 64 |
beta(2,3) | Value of beta function with parameters 2 & 3. |
round(2.3) | Rounds 2.3. See more examples in the examples section below. |
round(2.476,2) | Rounds the value up to 2 digits. |
pi | Gives value |
abs(-2) | Gives absolute value |
b=3 | Assigns b as 3 |
class(b) | Type of object of b. |
class(log) | To test the type of log.
Note: It can be done for testing any function or value. Also note, log is a function while ‘b’ is a numeric/value. |
x=c(1,3,4,5) | Makes a vector with the values respectively. |
x=scan() | Another option to make a vector.
Note: after pressing Enter, input values as many as you need. Then again push Enter to stop entering values. See example below. |
rm(x) | Deletes a command |
y=seq(1,3,.1) | Gives values 1 through 3 with difference .1. |
x=1:100 | Does almost same but applicable for integers only as you cannot define difference. |
rep(1,10) | Gives 1 10 times. |
floor(2.3) | Transforms to nearest lower integer. |
floor(2.9) | Transforms to nearest lower integer.
Note : Unlike ‘round’ it goes below rather than above. |
ceiling(2.3) | Nearest upper Integer. |
ceiling(2.3) | Nearest upper Integer. |
round(2.3) | Rounding the value |
round(2.6) | Rounding the value |
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