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I have a set of timestamps (each corresponding to a student submission), and I wanted to take a look at them graphically. I know criterion uses a KDE and makes a nice plot, and it looks like it depends on the statistics package, which provides a kde function, but I couldn't trace through the code of criterion to see how it's being used.
Ideally, and answer would at least be a snippet of code that produces a picture. An explanation of what criterion does in this case would also be welcome.
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Tinkering with ncurses; can't seem to find why I would want to use getmaxyx() instead of LINES and COLS, or vice-versa.
It seems to me that LINES and COLS is already initialized by initscr(), so why would I want to go through the additional step of calling getmaxyx() and setting new variables?
LINES and COLS are the size of the screen, while getmaxyx gives the size of a window. curses applications can have several windows (and rarely more than one screen).
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I would like to plot the CPU and memory usage of an application on linux vs time. What is the best way to do this?
Would greping these values out from top every 0.1s and writing them into some file work - or is there a better and easier way?
There is an easier way. All of the information displayed in top can be found in /proc/<pid>/, most of it in /proc/<pid>/stat. man proc describes the content of these files.
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I want to make a speaker recognition system. I don’t want to make it using deep learning as perhaps it will require a lot of data. Can I implement it using audio components mentioned above or more?
In all case, you will need data learning if you want to "recognize" speakers. A classical approach is based on MFCC computation and a classification by kMeans (or more elaborate GMMs).
You'll find here an overview of the full system of the LIUM for speaker diarization (which is more sophisticated).
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I need it to do some entity extraction. How do I get an annotated dataset with JobTitles?
Here is what I suggest to do, if you haven't come across any datasets. Grab wikipedia occupation lists: https://en.wikipedia.org/wiki/Lists_of_occupations, create a gazetteer list of jobs and write regular expressions to capture them or any variations in the text and you have annotated data :).
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What are the effects of multiplication of two different sound? An neither of them are constant, like two different songs, or one track of instrumental and one of vocals.
A simple Google search came up with this:
http://crca.ucsd.edu/~msp/techniques/v0.11/book-html/node77.html
Did you search for it at all?
But basically what happens is you end up creating an envelope where the second acts as a "coefficient" of sorts.
You also end up with a reduction of sound levels (since a decimal times a decimal is less both of them), so you'll need to amplify the signal a bit to retain volume.
The page I linked gives a lot more explanation and has a lot of the algebra needed to write up a code to implement it. Look there if you have any more questions.