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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
...ly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab.
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read.csv warning 'EOF within quoted string' prevents complete reading of file
I have a CSV file (24.1 MB) that I cannot fully read into my R session. When I open the file in a spreadsheet program I can see 112,544 rows. When I read it into R with read.csv I only get 56,952 rows and this warning:
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Purpose of Python's __repr__
What is the significance/purpose of this method?
7 Answers
7
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Why are C++ inline functions in the header?
NB This is not a question about how to use inline functions or how they work, more why they are done the way they are.
8 An...
Can an ASP.NET MVC controller return an Image?
Can I create a Controller that simply returns an image asset?
19 Answers
19
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Loop through all nested dictionary values?
I'm trying to loop through a dictionary and print out all key value pairs where the value is not a nested dictionary. If the value is a dictionary I want to go into it and print out its key value pairs...etc. Any help?
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Why do people hate SQL cursors so much? [closed]
I can understand wanting to avoid having to use a cursor due to the overhead and inconvenience, but it looks like there's some serious cursor-phobia-mania going on where people are going to great lengths to avoid having to use one.
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Working with time DURATION, not time of day
I'm doing some benchmarking, and I want to use Excel to produce graphs of the results. I've got a simple but annoying problem which is baking my noodle.
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Using Regex to generate Strings rather than match them
I am writing a Java utility which helps me to generate loads of data for performance testing. It would be really cool to be able to specify a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is th...
How to “comment-out” (add comment) in a batch/cmd?
I have a batch file that runs several python scripts that do table modifications.
10 Answers
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