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How to calculate cumulative normal distribution?
...df(1.96)
0.9750021048517795
>>> norm.cdf(-1.96)
0.024997895148220435
In other words, approximately 95% of the standard normal interval lies within two standard deviations, centered on a standard mean of zero.
If you need the inverse CDF:
>>> norm.ppf(norm.cdf(1.96))
array(1.959...
Can dplyr package be used for conditional mutating?
... 1 & b == 4), 2,
ifelse(a == 0 | a == 1 | a == 4 | a == 3 | c == 4, 3, NA)))
Added - if_else: Note that in dplyr 0.5 there is an if_else function defined so an alternative would be to replace ifelse with if_else; however, note that since if_else is stricter than ifelse (both leg...
SVN Commit specific files
...
338
Sure. Just list the files:
$ svn ci -m "Fixed all those horrible crashes" foo bar baz graphic...
Find a file in python
...|
edited Nov 12 '09 at 19:33
answered Nov 12 '09 at 19:25
N...
Disable individual Python unit tests temporarily
...
233
Individual test methods or classes can both be disabled using the unittest.skip decorator.
@un...
Does it make any sense to use inline keyword with templates?
...
3 Answers
3
Active
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Scala 2.8 breakOut
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325
The answer is found on the definition of map:
def map[B, That](f : (A) => B)(implicit bf :...
Can I load a UIImage from a URL?
...
319
You can do it this way (synchronously, but compact):
UIImage *image = [UIImage imageWithData:...
Converting a UNIX Timestamp to Formatted Date String
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324
Try gmdate like this:
<?php
$timestamp=1333699439;
echo gmdate("Y-m-d\TH:i:s\Z", $timestam...
How to pass password to scp?
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35
You can script it with a tool like expect (there are handy bindings too, like Pexpect for Pytho...