... Considerationsfor a Group-Randomized Design 22311.9.1 Calculate Statistical Power by Simulation 223A Data Management with a Database 229A.1 Create Database and Database Tables 229A.2 Enter Data 230A.3 ... variable names on the firstrow, and the variables are separated by spaces.Y. Li and J. Baron, Behavioral Research Data Analysis with R,UseR,DOI 10.1007/97 8-1 -4 61 4-1 23 8-0 1, © Springer Science+Business ... %in% v1). Arithmetic works. For example, -t1 yields -1 -2 -3 -4 -5 . It works on matrices and data frames too. For example,suppose m1gets the matrix m1 < ;- matrix(c(1,2,3,4,5,6), nrow=2,byrow=T).123456Then...