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Naming returned columns in Pandas aggregate function? [duplicate]
...data('Loblolly')
print(data.head())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
df = data.groupby('Seed').agg(
{'age':['sum'],
'height':['mean', 'std']})
print(df.head())
# age height ...
Dictionaries and default values
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323
Like this:
host = connectionDetails.get('host', someDefaultValue)
...
Plot a bar using matplotlib using a dictionary
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import matplotlib.pyplot as plt
D = {u'Label1':26, u'Label2': 17, u'Label3':30}
plt.bar(range(len(D)), list(D.values()), align='center')
plt.xticks(range(len(D)), list(D.keys()))
# # for python 2.x:
# plt.bar(range(len(D)), D.values(), align='center') # python 2.x
# plt.xticks(range(len(D)), D.k...
Is it better to call ToList() or ToArray() in LINQ queries?
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375
Unless you simply need an array to meet other constraints you should use ToList. In the major...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
Note: This question is only relevant for Grunt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question.
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What is the good python3 equivalent for auto tuple unpacking in lambda?
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33
No, there is no other way. You covered it all. The way to go would be to raise this issue on th...
linq query to return distinct field values from a list of objects
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edited Jun 3 '11 at 19:01
answered Jun 3 '11 at 18:49
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Apply multiple functions to multiple groupby columns
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313
The second half of the currently accepted answer is outdated and has two deprecations. First a...
What does the number in parentheses shown after Unix command names in manpages mean?
For example: man(1) , find(3) , updatedb(2) ?
7 Answers
7
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