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Sample random rows in dataframe
...propriate function that would return a specified number of rows picked up randomly without replacement from a data frame in R language? Can anyone help me out?
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How to declare array of zeros in python (or an array of a certain size) [duplicate]
...histogram of counts... so I create buckets.
I know I could just go through and append a bunch of zeros i.e something along these lines:
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Where is the .NET Framework 4.5 directory?
...ll find the assemblies in the 4.0 directory.
See the blogs by Rick Strahl and Scott Hanselman on this topic.
You can also find the specific versions in:
C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework
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Exception messages in English?
...Message to a file. However, they are written in the culture of the client. And Turkish errors don't mean a lot to me.
16 An...
Build an ASCII chart of the most commonly used words in a given text [closed]
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LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation.
– Joe Z
Jul 4 '10 at 6:23
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How does numpy.histogram() work?
...ere are 3 bins, for values ranging from 0 to 1 (excl 1.), 1 to 2 (excl. 2) and 2 to 3 (incl. 3), respectively. The way Numpy defines these bins if by giving a list of delimiters ([0, 1, 2, 3]) in this example, although it also returns the bins in the results, since it can choose them automatically f...
Swift equivalent for MIN and MAX macros
In C / Objective-C it is possible to find the minimum and maximum value between two numbers using MIN and MAX macros. Swift doesn't support macros and it seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?...
Why use softmax as opposed to standard normalization?
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There is one nice attribute of Softmax as compared with standard normalisation.
It react to low stimulation (think blurry image) of your neural net with rather uniform distribution and to high stimulation (ie. large numbers, think crisp image) with probabilities close to 0 and 1.
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How to set transform origin in SVG
I need to resize and rotate certain elements in SVG document using javascript. The problem is, by default, it always applies the transform around the origin at (0, 0) – top left.
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jQuery: Difference between position() and offset()
What is the difference between position() and offset() ? I tried to do the following in a click event:
3 Answers
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