For your first question the simplest way to handle it is to sample the indices rather than the data. For example,
x <- seq(10,200,10) # data ix <- sample(length(x),10,rep=T) # 10 samples from 1:length(x) s <- x[ix] # samples Now ix has the indices of s. Taemyong Choi <tmchoi <at> ris.chonnam.ac.kr> writes: : : > DATA : : [,1] : : [1,] -2.0314185 : : [2,] -0.3594015 : : [3,] -1.3225832 : : [4,] 1.5050892 : : [5,] -0.4535558 : : [6,] 3.6335036 : : [7,] 5.1965750 : : [8,] 4.2923129 : : [9,] 6.0913187 : : [10,] 4.9131070 : : > RESA : : [,1] [,2] [,3] [,4] [,5] : : [1,] -2.0314185 1.5050892 -1.3225832 -1.3225832 -2.0314185 : : [2,] -0.3594015 -0.3594015 4.2923129 -0.3594015 -0.4535558 : : [3,] 4.9131070 4.9131070 -2.0314185 4.9131070 3.6335036 : : [4,] 3.6335036 -0.4535558 3.6335036 1.5050892 -0.3594015 : : [5,] 1.5050892 6.0913187 -0.3594015 4.2923129 6.0913187 : : [6,] 6.0913187 3.6335036 5.1965750 -2.0314185 5.1965750 : : [7,] -0.4535558 5.1965750 6.0913187 3.6335036 4.9131070 : : First, : : RESA matrix consists of resampling DATA matrix. I would like to know the row : number of RESA matrix's value in DATA matrix. : : For example, RESA[1,1] = -2.0314185 and its row number in DATA matrix is 1. : : RESA[1,3]=4.9131070 and its row number in DATA matrix is : 10. : : Is there a simple way to know the row number? : : I : : > clus : : col1 col2 col3 col4 col5 : : [1,] 1 1 1 1 1 : : [2,] 2 2 0 2 1 : : [3,] 2 1 1 2 2 : : [4,] 1 2 2 1 2 : : [5,] 3 1 2 2 3 : : [6,] 3 3 0 3 2 : : [7,] 1 3 2 0 0 : : Second, I want to count columns of each row without 0 : : i.e. The number of clus[2,]'s columns is 4. : : I solve this with next code. : : number <- c(rep(1,5)) # 5 is total column number. : : sum(number[clus[2,]!=0]) : : Is there more simple method? : : Finally, clus[2,]'s mode is 2. I try to find function to know mode, but I : have failed. : : What's the function to know mode? : : [[alternative HTML version deleted]] : : ______________________________________________ : R-help <at> stat.math.ethz.ch mailing list : https://www.stat.math.ethz.ch/mailman/listinfo/r-help : PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html : : ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
