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Find the max of two or more columns with pandas
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185
You can get the maximum like this:
>>> import pandas as pd
>>> df = pd.DataFr...
How do I find out if first character of a string is a number?
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How to configure PostgreSQL to accept all incoming connections
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Why does (1 in [1,0] == True) evaluate to False?
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195
Python actually applies comparison operator chaining here. The expression is translated to
(1 ...
How can I set the aspect ratio in matplotlib?
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How to select rows from a DataFrame based on column values?
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4135
To select rows whose column value equals a scalar, some_value, use ==:
df.loc[df['column_name']...
How to reorder data.table columns (without copying)
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185
Use setcolorder():
library(data.table)
x <- data.table(a = 1:3, b = 3:1, c = runif(3))
x
# ...
Compare version numbers without using split function
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How to insert element into arrays at specific position?
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outis
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answered Jul 28 '10 at 15:58
ArtefactoArtefacto
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