Hi, I want to use mlab.load to load in some data:
1) 2004/02/27 21:51:00 1 2553.51 2553.51
-99.0000N 3.217
2) 2004/02/27 22:01:00 2 2553.47 2553.47
-99.0000N 3.217
3) 2004/02/27 22:10:59 3 2553.45 2553.45
-99.0000N 3.218
4) 2004/02/27 22:20:59 4 2553.46 2553.46
-99.0000N 3.223
unfortunately missing values are given as -99.000N, and these cause the
following error:
In [98]: mlab.load(site_file,skiprows=29,usecols=[4])
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
/Users/evan/python/tools/fig_NEA_seas_paper_RAPID.py in <module>()
----> 1
2
3
4
5
/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/matplotlib/mlab.pyc
in load(fname, comments, delimiter, converters, skiprows, usecols, unpack,
dtype)
1458 if usecols is not None:
1459 vals = splitfunc(line)
-> 1460 row = [converterseq[j](vals[j]) for j in usecols]
1461 else:
1462 row = [converterseq[j](val)
ValueError: invalid literal for float(): -99.00N
Is there any way around this, apart from editing all the data files to
remove every 'N'?
Many thanks, Evan
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