For people who use CSV, it would be helpful to know examples of elements that
caused this error---I don't use CSV myself much, but it seems strange that it
wouldn't be able to import a Float32 array.
If you're going binary, HDF5 would be a more portable choice.
--Tim
On Wednesday, October 22, 2014 05:55:39 AM Luca Rossetto wrote:
> I was able to generate an Array{Any, 2} or an Array{String, 2} but not an
> Array{Float32, 2}. convert() always failed because there was apparently at
> least one element in the array which caused a conversion error.
>
> I now solved the problem using an entirely different data encoding. When I
> export the values as raw byte data from my other program, i managed to
> import is using:
> f = open(filename)
> matrix = read(f, Float32, a * a)
> matrix = reshape(matrix a, a)
>
> Nevertheless, is there an efficient way to read a Array{FloatingPoint, 2}
> from a CSV file?
>
> Am Mittwoch, 22. Oktober 2014 14:42:52 UTC+2 schrieb Andreas Noack:
> > What type had the "resulting object"?
> >
> > Med venlig hilsen
> >
> > Andreas Noack
> >
> > 2014-10-22 7:27 GMT-04:00 Luca Rossetto <l.ros...@gmail.com <javascript:>>
> >
> >> Hi
> >>
> >> I have a (java) program which generates large amounts of numerical data
> >> in matrix form (square matrix, ~10'000 x 10'000) on which I want to
> >> perform
> >> some numerical analysis. Currently, I'm exporting the matrix data as CSV
> >> but I could change that to a different format if necessary. I tried
> >> importing such a file using readcsv, readdlm and readtable but was unable
> >> to convert the resulting object to the form Array{Float32, 2}. Any ideas
> >> on
> >> what I can do?
