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How to force R to use a specified factor level as reference in a regression?
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154
See the relevel() function. Here is an example:
set.seed(123)
x <- rnorm(100)
DF <- dat...
Which characters are valid/invalid in a JSON key name?
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168
No. Any valid string is a valid key. It can even have " as long as you escape it:
{"The \"mea...
What is the difference between jQuery's mouseout() and mouseleave()?
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101
The mouseleave event differs from mouseout in the way it handles event bubbling. If mouseou...
Very simple log4j2 XML configuration file using Console and File appender
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36}...
Difference between application/x-javascript and text/javascript content types
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edited Nov 25 '15 at 7:23
Ry-♦
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How to change past commit to include a missed file?
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answered Jan 16 '13 at 22:43
Rafał RawickiRafał Rawicki
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What is the rationale for all comparisons returning false for IEEE754 NaN values?
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11 Answers
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Active
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How do I convert a pandas Series or index to a Numpy array? [duplicate]
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To get a NumPy array, you should use the values attribute:
In [1]: df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]}, index=['a', 'b', 'c']); df
A B
a 1 4
b 2 5
c 3 6
In [2]: df.index.values
Out[2]: array(['a', 'b', 'c'], dtype=object)
This accesses how the data is already ...
How to upgrade Eclipse for Java EE Developers?
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157
Add the update URL to your available sites:
Window > Preferences > Install/Update > ...
Should I use Python 32bit or Python 64bit
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answered Jun 25 '10 at 12:03
John La RooyJohn La Rooy
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