filtering
ELMAH – Filtering 404 Errors
I am attempting to configure ELMAH to filter 404 errors and I am running into difficulties with the XML-provided filter rules in my Web.config file. I followed the tutorial here and here and added an <is-type binding="BaseException" type="System.IO.FileNotFoundException" /> declaration under my <test><or>... declaration, but that completely failed.
Truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()
I want to filter my dataframe with an or condition to keep rows with a particular column’s values that are outside the range [-0.25, 0.25]. I tried:
Logical operators for Boolean indexing in Pandas
I’m working with a Boolean index in Pandas.
How do I filter a pandas DataFrame based on value counts?
I’m working in Python with a pandas DataFrame of video games, each with a genre. I’m trying to remove any video game with a genre that appears less than some number of times in the DataFrame, but I have no clue how to go about this. I did find a StackOverflow question that seems to be related, but I can’t decipher the solution at all (possibly because I’ve never heard of R and my memory of functional programming is rusty at best).
Creating lowpass filter in SciPy – understanding methods and units
I am trying to filter a noisy heart rate signal with python. Because heart rates should never be above about 220 beats per minute, I want to filter out all noise above 220 bpm. I converted 220/minute into 3.66666666 Hertz and then converted that Hertz to rad/s to get 23.0383461 rad/sec.
OpenCV: Choosing HSV thresholds for color filtering
In order to filter a color out of an image, it’s necessary to set boundaries as to which color needs to be detected. I have a feeling this is mostly a trial-and-error process. Are there any ways to quickly find the correct thresholds for a particular color? In this specific case I’m trying to detect the gray area of the graph in the picture below. This without detecting the dotted lines of course. For this example I need very specific boundaries. The question is, how can I find them easily?
Filtering os.walk() dirs and files
I’m looking for a way to include/exclude files patterns and exclude directories from a os.walk() call.
