solution for installing pygame
I have two computers, the one has windows system at home, the other has ubuntu system in my office. In each computer, I have two python, the one is normal…
I have two computers, the one has windows system at home, the other has ubuntu system in my office. In each computer, I have two python, the one is normal…
floor takes a single numeric argument x and returns a numeric vector containing the largest integers not greater than the corresponding elements of x. trunc takes a single numeric argument…
Plot Histogram in R: Method 1: hist(vector, breaks) Take care for the parameter "breaks": according the help: breaks: a single number giving the number of cells for the histogram. Important:…
Useful packages: R: library(matrixcalc) Python: numpy Matrix generation: R: matrix(1:6, 2, 3) Python: np.arange(1,7).reshape(2,3) construct a diagnal matrix: R: advanced-R diag(vector, nrow, ncol) #construct a matrix which diagonal elements is equal…
I found the easiest way to install R extention for Ubuntun RapidMiner -> Marketplace -> R Extention RStudio -> Tools -> Install Packages... -> Input in the field "Packages": rJava, JavaGD Or…
Useful web sites for R:
About Package
I work on several computers, sometimes Widows, sometimes Linux, so I got a problem after I pull my project file from Git. That is the file path. To cope with…