[R] bigmatrix and irlba

2012-09-13 Thread federico ferreyra
Hello, good mornig, i have one questions, anybody know how to calculate svd of a matrix of the library bigmatrix with library irlba? thanks [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/li

[R] calculate svd of a matrix larger then memory

2012-09-08 Thread federico ferreyra
Hello How are you? I was reading  BigMemory´s  library documentation and I have no clear some things, challenged my problem, I have a disk array with 2GB weighing coefficients float's, just numbers, and I have to find the singular value decomposition this matrix, basically the question is: how t

[R] calcular SVD de una matriz que no entra en memoria

2012-09-08 Thread federico ferreyra
Hola como andan? estuve leyendo un poco la documentacion de la libreria BigMemory y no me quedan claro algunas cosas, le planteo mi problema, tengo un matriz en disco que pesa 2gb con coeficientes float´s, solo numeros, y tengo que hallar la descomposicion en valores singulares de esta matriz, b