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How can I create a correlation matrix in R?
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104
An example,
d &lt- data.frame(x1=rnorm(10),
x2=rnorm(10),
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Simulate airplane mode in iPhone Simulator
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answered Oct 23 '09 at 17:32
Rob NapierRob Napier
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How fast is D compared to C++?
...mir Panteleev
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3
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What does the caret (‘^’) mean in C++/CLI?
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180
This is C++/CLI and the caret is the managed equivalent of a * (pointer) which in C++/CLI termin...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
...nknown = -998,
kCFURLErrorCancelled = -999,
kCFURLErrorBadURL = -1000,
kCFURLErrorTimedOut = -1001,
kCFURLErrorUnsupportedURL = -1002,
kCFURLErrorCannotFindHost = -1003,
kCFURLErrorCannotConnectToHost = -1004,
kCFURLErrorNetworkConnectionLost = -1005,
kCFURLErrorDNSLookupFa...
ReferenceError: event is not defined error in Firefox
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edited May 10 '16 at 11:44
answered Dec 11 '13 at 15:23
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Java 8 method references: provide a Supplier capable of supplying a parameterized result
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edited Jun 10 at 13:43
simhumileco
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Forward function declarations in a Bash or a Shell script?
...n Kugelman
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3
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how do you filter pandas dataframes by multiple columns
...sub-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male', 'female']:
dic[g]=defaultdict(dict)
for y in [2013, 2014]:
dic[g][y]=df[(df[Gender]==g) & ...
How do I check if a number evaluates to infinity?
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LukeHLukeH
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