To do matrix multiplication: m x n, the Rows and columns of m must be equal to the columns and rows of n, respectively.
Sent from my iPhone On 11 Oct 2011, at 06:45 PM, flokke <ingaschw...@gmail.com> wrote: > Dear all, > I wanted to create the mean using a algebra matrix. > so I tried this one: > >> meanAnimals <- new3%*%factorial > > (Calculates the matrix multiplication of the new3 * factorial). > > But I get the following error message: > > Error in new3 %*% factorial : non-conformable arguments > > These are my matrices: > > >> new3 > [,1] [,2] > [1,] 1.350 8.1 > [2,] 465.000 423.0 > [3,] 36.330 119.5 > [4,] 27.660 115.0 > [5,] 1.040 5.5 > [6,] 11700.000 50.0 > [7,] 2547.000 4603.0 > [8,] 187.100 419.0 > [9,] 521.000 655.0 > [10,] 10.000 115.0 > [11,] 3.300 25.6 > [12,] 529.000 680.0 > [13,] 207.000 406.0 > [14,] 62.000 1320.0 > [15,] 6654.000 5712.0 > [16,] 9400.000 70.0 > [17,] 6.800 179.0 > [18,] 35.000 56.0 > [19,] 0.120 1.0 > [20,] 0.023 0.4 > [21,] 2.500 12.1 > [22,] 55.500 175.0 > [23,] 100.000 157.0 > [24,] 52.160 440.0 > [25,] 0.280 1.9 > [26,] 87000.000 154.5 > [27,] 0.122 3.0 > [28,] 192.000 180.0 >> factorial > [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] > [,14] [,15] [,16] [,17] > [1,] 1 1 1 1 1 1 1 1 1 1 1 1 1 > 1 1 1 1 > [,18] [,19] [,20] [,21] [,22] [,23] [,24] [,25] [,26] [,27] [,28] > [1,] 1 1 1 1 1 1 1 1 1 1 1 > > > Can anyone help me out of this? > > Cheers, maria > > -- > View this message in context: > http://r.789695.n4.nabble.com/Creating-the-mean-using-algebra-matrix-tp3895378p3895378.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
