Hello, Anybody has any suggestions as how to figure a solutions for the problem below?
In trying to call functions in scipy.stats where it calls scipy.special functions, I get the error seen below. There are no problems calling these functions from !python. I assume that within sage, there is a problem coercing sage objects into python types for these special functions. And since the betainc function is called from another scipy module, I can't explicitly declare the variable types. Any suggestions? Thanks Shahab sage: from scipy import stats sage: stats.ttest_ind(list([1,2,3,4,5]),list([2,3,4,5,.6])) --------------------------------------------------------------------------- <type 'exceptions.TypeError'> Traceback (most recent call last) /home/jars/Desktop/sage/<ipython console> in <module>() /home/jars/Desktop/sage/local/lib/python2.5/site-packages/scipy/stats/ stats.py in ttest_ind(a, b, axis) 1706 t = (x1-x2)/np.sqrt(svar*(1.0/n1 + 1.0/n2)) # N-D COMPUTATION HERE!!!!!! 1707 t = np.where(zerodivproblem, 1.0, t) # replace NaN t-values with 1.0 -> 1708 probs = betai(0.5*df,0.5,float(df)/(df+t*t)) 1709 1710 if not np.isscalar(t): /home/jars/Desktop/sage/local/lib/python2.5/site-packages/scipy/stats/ stats.py in betai(a, b, x) 2014 x = np.asarray(x) 2015 x = np.where(x < 1.0, x, 1.0) # if x > 1 then return 1.0 -> 2016 return special.betainc(a, b, x) 2017 2018 ##################################### <type 'exceptions.TypeError'>: function not supported for these types, and can't coerce safely to supported types sage: --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
