ToraSonic ToraSonic
ToraSonic
/ gist:d65c729f372660ac225d52e040465ace
Created
August 5, 2017 11:51
— forked from why-not/gist:4582705
Pandas recipe. I find pandas indexing counter intuitive, perhaps my intuitions were shaped by many years in the imperative world. I am collecting some recipes to do things quickly in pandas & to jog my memory.
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| """quick way to create a data frame to try things out""" | |
| df = pd.DataFrame(np.random.randn(5, 4), columns=['a', 'b', 'c', 'd']) | |
| df['A'] """ will bring out a col """ df.ix[0] """will bring out a row, #0 in this case""" | |
| """to get an array from a data frame or a series use values, note it is not a function here, so no parans ()""" | |
| point = df_allpoints[df_allpoints['names'] == given_point] # extract one point row. | |
| point = point['desc'].values[0] # get its descriptor in array form. |