<div dir="ltr"><pre style="white-space:pre-wrap;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif">Renaud,</font></pre><pre style="white-space:pre-wrap;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif">I've been trying to run nmf on a data set with approx. 11000 rows and 10 columns. It will run fine when only one value for r is passed or else a vector is passed to r and nrun is set to 1. However when I try it with multiple runs an error occurs:</font></pre><pre style="white-space:pre-wrap;color:rgb(0,0,0)"><br></pre><pre style=""><font face="arial, helvetica, sans-serif" style=""><font color="#000000"><span style="white-space:pre-wrap"> *** caught segfault ***
address 0x110, cause 'memory not mapped'
*** caught segfault ***
address 0x110, cause 'memory not mapped'
*** caught segfault ***
address 0x110, cause 'memory not mapped'
Traceback:
1: .local(object, ...)
2: fitted(x)
3: fitted(x)
4: .rss(y, fitted(x))
5: obj.fun(x, y, ...)
6: .local(object, ...)
7: deviance(strategy, nmfFit, v, ...)
8: deviance(strategy, nmfFit, v, ...)
9: trackError(nmfData, deviance(strategy, nmfFit, v, ...), niter = i, force = TRUE)
10: .local(object, y, x, ...)
11: run(strategyX, y, x, maxIter = maxIter, ...)
12: run(strategyX, y, x, maxIter = maxIter, ...)
13: .local(object, y, x, ...)
14: run(object = <S4 object of class "NMFStrategyIterative">, y = c(0L, 38L, 44L, 0L, 378L, 0L, 16L, 189L, 89L, 43L, 34L, 14L, 10L, 85L, 209L, 0L, 17L, 356L, 0L, 0L, 0L, 19L, ......<br></span></font></font></pre><pre style=""><font face="arial, helvetica, sans-serif" style=""><font color="#000000"><span style="white-space:pre-wrap"><br></span></font></font></pre><pre style="white-space:pre-wrap;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif">I also tried to run one of the examples from <span style="color:rgb(34,34,34)">NMF-vignette.pdf (from page 14):</span></font></pre><pre style=""><font face="arial, helvetica, sans-serif">res <- nmf(esGolub, 3, seed = 123456, nrun = 2)<font color="#000000"><span style="white-space:pre-wrap"><br></span></font></font></pre><pre style=""><font face="arial, helvetica, sans-serif">and the same thing happens.<br></font></pre><pre style=""><font face="arial, helvetica, sans-serif">It's running on OS X Yosemite Version 10.10.3, 2.7 GHz Intel Core i5 processor, 12 GB 1333 MHz DDR3.</font></pre><pre style=""><font face="arial, helvetica, sans-serif">Any help would be much appreciated.</font></pre><pre style=""><font face="arial, helvetica, sans-serif">Regards,</font></pre><pre style=""><font face="arial, helvetica, sans-serif">Fiona</font></pre></div>