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Run an OLS regression with Pandas Data Frame

I have a pandas data frame and I would like to able to predict the values of column A from the values in columns B and C. Here is a toy example: ...
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Checking images for similarity with OpenCV

... entire research magazines. I will outline the most common such techniques and their results. Comparing histograms One of the simplest & fastest methods. Proposed decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of p...
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Unit Testing C Code [closed]

...rk in C is Check; a list of unit testing frameworks in C can be found here and is reproduced below. Depending on how many standard library functions your runtime has, you may or not be able to use one of those. AceUnit AceUnit (Advanced C and Embedded Unit) bills itself as a comfortable C code uni...
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Is there a way of setting culture for a whole application? All current threads and new threads?

...here a way of setting culture for a whole application? All current threads and new threads? 10 Answers ...
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How do I make a textbox that only accepts numbers?

...e past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of othe...
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Very simple log4j2 XML configuration file using Console and File appender

I'd like a very simple XML configuration file with a console and a file appender using log4j2. 4 Answers ...
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What does glLoadIdentity() do in OpenGL?

I'm new to OpenGL and I'm a little overwhelmed with all of the random functions that I have in my code. They work and I know when to use them, but I don't know why I need them or what they actually do. ...
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Round a Floating Point Number Down to the Nearest Integer?

As the title suggests, I want to take a floating point number and round it down to the nearest integer. However, if it's not a whole, I ALWAYS want to round down the variable, regardless of how close it is to the next integer up. Is there a way to do this? ...
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undefined reference to boost::system::system_category() when compiling

...do.) Assuming you use gcc, try adding -lboost_system to your compiler command line in order to link against that library. share | improve this answer | follow ...
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Simulate delayed and dropped packets on Linux

I would like to simulate packet delay and loss for UDP and TCP on Linux to measure the performance of an application. Is there a simple way to do this? ...