Thanks for taking the time to respond I am receiving the error: AttributeError: 'Series' object has no attribute 'iterrow'
I will look into this further. thank you On Thu, Oct 29, 2015 at 2:31 PM, Joshua Klein <mobiuskl...@gmail.com> wrote: > The pandas plot function doesn’t take colors as it does ‘x’ or ‘y’, but it > lets you pass color information just as you would with raw matplotlib code, > which means you can pass it a sequence of colors which match the length of > your sequence of drawn observations. > > # compute color codes using a ternary expression in a list comprehension over > the DataFrame > colors = ['r' if row.anomaly > 0 else 'b' for i, row in > meantempanomaly.iterrows()] > meantempanomaly.plot(kind='bar', color=colors) > > > > On Wed, Oct 28, 2015 at 9:54 PM, questions anon <questions.a...@gmail.com> > wrote: > >> I have calculated annual temperature anomaly and I would like to plot as >> a bar plot with all values positive make red and all values negative make >> blue >> >> I am using pandas and the time series data in this example are called >> 'anomaly' >> >> mybarplot=anomaly.plot(kind='bar') >> >> the data look like this: >> >> time >> 2003年01月01日 -0.370800 >> 2004年01月01日 -0.498199 >> 2005年01月01日 0.246118 >> 2006年01月01日 -0.313321 >> 2007年01月01日 0.585050 >> 2008年01月01日 -0.227976 >> 2009年01月01日 0.439337 >> 2010年01月01日 0.135607 >> 2011年01月01日 0.106105 >> 2012年01月01日 -0.102002 >> Freq: AS-JAN, dtype: float64 >> >> is there some simple way of writing: >> meantempanomaly.plot(kind='bar', anomaly>0:'r', anomaly<0:'b' ) >> >> Any feedback will be greatly appreciated >> >> >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> Matplotlib-users mailing list >> Matplotlib-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >> >> >
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