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Compute a confidence interval from sample data
...s np
import scipy.stats
def mean_confidence_interval(data, confidence=0.95):
a = 1.0 * np.array(data)
n = len(a)
m, se = np.mean(a), scipy.stats.sem(a)
h = se * scipy.stats.t.ppf((1 + confidence) / 2., n-1)
return m, m-h, m+h
you can calculate like this way.
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How to start two threads at “exactly” the same time
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135
To start the threads at exactly the same time (at least as good as possible), you can use a Cycl...
Private and protected constructor in Scala
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edited Apr 13 '17 at 7:50
Matthias Braun
22.1k1616 gold badges104104 silver badges138138 bronze badges
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ASP.NET Temporary files cleanup
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158
Yes, it's safe to delete these, although it may force a dynamic recompilation of any .NET appli...
A field initializer cannot reference the nonstatic field, method, or property
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145
This line:
private dynamic defaultReminder =
reminder.TimeSpanText[T...
Active Record - Find records which were created_at before today
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165
Using ActiveRecord the standard way:
MyModel.where("created_at < ?", 2.days.ago)
Using the...
How to encode URL parameters?
...foo?imageurl=" + encodeURIComponent(myUrl);
DEMO: http://jsfiddle.net/Lpv53/
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List of remotes for a Git repository?
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Peter Mortensen
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answered Apr 17 '12 at 1:01
Matthew Scharley...
When should I use perror(“…”) and fprintf(stderr, “…”)?
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