[Numpy-discussion] loadtxt and N/A

I am using loadtxt and I have missing values that are show up as N/A. I get a, ValueError: invalid literal for float(): N/A Is there a way to ignore these? ___ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/l

[Numpy-discussion] loadtxt and usecols

i would like to load my data without knowing the length, i have explicitly stated the rows data = loadtxt('18B180.dat', skiprows = 1, usecols = 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45)) and would like to use some