On Wed, Mar 13, 2013 at 2:02 PM, Oscar Benjamin <[email protected]> wrote: > On 13 March 2013 19:50, Abhishek Pratap <[email protected]> wrote: >> Hey Guys >> >> I might be missing something obvious here. >> >> >> import numpy as np >> >> count = 0 >> [ count += 1 for num in np.random.random_integers(1,100,20) if num > 20] >> >> File "<ipython-input-45-0ba0e51b7644>", line 2 >> [ count += 1 for num in np.random.random_integers(1,100,20) if num > 20] >> ^ >> SyntaxError: invalid syntax > > I think this does what you want: > >>>> import numpy as np >>>> a = np.random.random_integers(1, 100, 20) >>>> (a > 20).sum() > 17 > > I don't know if this really applies to what you're doing but the > result of this computation is a binomially distributed random number > that you could generate directly (without creating the intermediate > array): > >>>> np.random.binomial(100, .2) > 26 > > > Oscar
Hi Oscar I just used a very contrived example to ask if we can increment a counter inside a generator. The real case is more specific and dependent on other code and not necessarily useful for the question. -Abhi _______________________________________________ Tutor maillist - [email protected] To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
