Why Python ggplot returns name 'aes' is not defined?

问题:

When I use the following comand

p = ggplot(aes(x='DTM',y='TMP1'), data=data) 

I get the following error

NameError: name 'aes' is not defined 

Could you help me?

回答1:

You need to import aes:

from ggplot import aes 

Alternatively, you can just import everything in the ggplot namespace (though * imports are usually frowned upon as they make it difficult to track down where a name is coming from):

from ggplot import * 

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