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Pandas percentage of total with groupby

...swer: # From Paul H import numpy as np import pandas as pd np.random.seed(0) df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3, 'office_id': list(range(1, 7)) * 2, 'sales': [np.random.randint(100000, 999999) for _ in range(12...
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How to create GUID / UUID?

... be of the form "xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx", where x is one of [0-9, a-f] M is one of [1-5], and N is [8, 9, a, or b] Use of a low-quality source of randomness (such as Math.random) Thus, developers writing code for production environments are encouraged to use a rigorous, well-maintain...
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How to split a column into two columns?

...er way, but this here's one approach: row 0 00000 UNITED STATES 1 01000 ALABAMA 2 01001 Autauga County, AL 3 01003 Baldwin County, AL 4 01005 Barbour County, AL df = pd.DataFrame(df.row.str.split(' ',1).tolist(), ...
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How to put the legend out of the plot

I have a series of 20 plots (not subplots) to be made in a single figure. I want the legend to be outside of the box. At the same time, I do not want to change the axes, as the size of the figure gets reduced. Kindly help me for the following queries: ...
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Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers

... 350 You need to specify data, index and columns to DataFrame constructor, as in: >>> pd.Da...
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Formatting a number with exactly two decimals in JavaScript

...ich rounds my numbers to two decimal places. But I get numbers like this: 10.8, 2.4, etc. These are not my idea of two decimal places so how I can improve the following? ...
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~x + ~y == ~(x + y) is always false?

... | edited Jun 20 '12 at 13:47 answered Jun 20 '12 at 2:35 ...
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Unicode equivalents for \w and \b in Java regular expressions?

...s Regex Unicode Problems The problem with Java regexes is that the Perl 1.0 charclass escapes — meaning \w, \b, \s, \d and their complements — are not in Java extended to work with Unicode. Alone amongst these, \b enjoys certain extended semantics, but these map neither to \w, nor to Unicode i...
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Numpy argsort - what is it doing?

...ion Returns the indices that would sort an array. 2 is the index of 0.0. 3 is the index of 0.1. 1 is the index of 1.41. 0 is the index of 1.48. share | improve this answer | ...
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How to set versionName in APK filename using gradle?

...Gradle Plugin android { compileSdkVersion 22 buildToolsVersion "22.0.1" defaultConfig { applicationId "com.company.app" minSdkVersion 13 targetSdkVersion 21 versionCode 14 // increment with every release versionName '1.4.8' // change with e...