> this is a part of the file:
> 280 0 0 0.251
> 260 0 0 0.237
> 240 0 0 0.231
> 220 0 0 0.229
> 200 0 0 0.236
> 180 0 0 0.232
> 160 0 0 0.227
> 140 0 0 0.228
> 120 0 0 0.231
>
I have no problems with double spaces, and read_matrix reads the file as
expected. In addition, if you type
? read_matrix
you'll get some info about the 'separator_flag', in case you need it.
--
Mario Rodriguez Riotorto
www.biomates.net