大约有 47,000 项符合查询结果（耗时：0.0419秒） [XML]
Create Pandas DataFrame from a string
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538
A simple way to do this is to use StringIO.StringIO (python2) or io.StringIO (python3) and pass...
Append column to pandas dataframe
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135
It seems in general you're just looking for a join:
> dat1 = pd.DataFrame({'dat1': [9,5]})
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Creating a zero-filled pandas data frame
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answered Apr 9 '14 at 13:49
ShravanShravan
1,86322 gold badges1212 silver badges1919 bronze badges
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Should I use encoding declaration in Python 3?
Python 3 uses UTF-8 encoding for source-code files by default. Should I still use the encoding declaration at the beginning of every source file? Like # -*- coding: utf-8 -*-
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Getting list of lists into pandas DataFrame
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3 Answers
3
Active
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Pass a variable into a partial, rails 3?
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237
Try this:
<% @posts.each do |post| %>
<%= render 'middle', :post => post %>
&...
How do I use Nant/Ant naming patterns?
...re are no .c files in the current directory)
src/*.c matches 2 and 3
*/*.c matches 2 and 3 (because * only matches one level)
**/*.c matches 2, 3, and 4 (because ** matches any number of levels)
bar.* matches 1
**/bar.* matches 1 and 2
**/bar*....
How do I calculate percentiles with python/numpy?
...centile() is available in numpy too.
import numpy as np
a = np.array([1,2,3,4,5])
p = np.percentile(a, 50) # return 50th percentile, e.g median.
print p
3.0
This ticket leads me to believe they won't be integrating percentile() into numpy anytime soon.
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Difference between break and continue statement
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537
break leaves a loop, continue jumps to the next iteration.
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Rename specific column(s) in pandas
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385
data.rename(columns={'gdp':'log(gdp)'}, inplace=True)
The rename show that it accepts a dict...