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How to sort a dataFrame in python pandas by two or more columns?
... deprecated in favor of sort_values. sort was completely removed in the 0.20.0 release. The arguments (and results) remain the same:
df.sort_values(['a', 'b'], ascending=[True, False])
You can use the ascending argument of sort:
df.sort(['a', 'b'], ascending=[True, False])
For example:
In ...
Runnable with a parameter?
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Well it's been almost 9 years since I originally posted this and to be honest, Java has made a...
Selecting data frame rows based on partial string match in a column
...)), ]
mpg cyl disp hp drat wt qsec vs am gear carb
# Merc 240D 24.4 4 146.7 62 3.69 3.19 20.0 1 0 4 2
# Merc 230 22.8 4 140.8 95 3.92 3.15 22.9 1 0 4 2
# Merc 280 19.2 6 167.6 123 3.92 3.44 18.3 1 0 4 4
# Merc 280C 17.8 6 167.6 123 3.92 3....
What is the coolest thing you can do in
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Frame Buster Buster … buster code needed
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How to get the index of a maximum element in a numpy array along one axis
I have a 2 dimensional NumPy array. I know how to get the maximum values over axes:
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Rails: Is there a rails trick to adding commas to large numbers?
...aces of precision:
<%= number_with_precision(@number, :precision => 2, :delimiter => ',') %>
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How to convert a factor to integer\numeric without loss of information?
... mean median uq max neval
## as.numeric(levels(f))[f] 3.982 5.120 6.088624 5.405 5.974 1981.418 1e+05
## as.numeric(levels(f)[f]) 5.973 7.111 8.352032 7.396 8.250 4256.380 1e+05
## as.numeric(as.character(f)) 6.827 8.249 9.628264 8.534 9.671 1983.694 1e+05
## ...
class method generates “TypeError: … got multiple values for keyword argument …”
...g")
print
print myfoo
You'll output like:
<__main__.foo object at 0x321c290>
a thong is something
<__main__.foo object at 0x321c290>
You can see that 'thing' has been assigned a reference to the instance 'myfoo' of the class 'foo'. This section of the docs explains how function arg...