Trying to work through Chapter 2 Question 3 in Osvaldo’s book and I have two questions. tips = pd.read_csv('https://raw.githubusercontent.com/aloctavodia/BAP/master/code/data/tips.csv') tip = tips['tip'].values idx = pd.Categorical(tips['day'], categories=['Thur', 'Fri', 'Sat',…

[image] RavinKumar: ppc_cg["y"].shape returns a shape of (500, 244) . The 500 make sense, but I don’t get where 244 comes from and am curious 244 is the original shape of the observed (i.e., 244 items) Which means for question 1, you need to index to these 244 items to isolate different grou…

Questions of group in PPC and PPC shape

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RavinKumar February 26, 2019, 3:37pm 3

Thanks @junpenglao

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Questions of group in PPC and PPC shape

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