
python - How do I check which version of NumPy I'm using ... - Stack ...
Actually import numpy ; numpy.version.version . The lack of import numpy through me, an obvious newbie.
python - Dump a NumPy array into a csv file - Stack Overflow
May 21, 2011 · How do I dump a 2D NumPy array into a csv file in a human-readable format?
python - Error "Import Error: No module named numpy" on Windows
Mar 19, 2019 · pip3 install numpy" results in "Requirement already satisfied: numpy in c:\users\peter\appdata\local\programs\python\python36-32\lib\site-packages". You'd expect python's …
python - Convert Pandas dataframe to NumPy array - Stack Overflow
Nov 2, 2012 · As mentioned in cs95's answer, to_numpy() will consistently convert a pandas dataframe into a numpy array. On the other hand, because .values (as suggested in 1, 2, 3, 4, 5) returns the …
python - How to remove specific elements in a numpy array - Stack …
Jun 12, 2012 · Note that numpy.delete() returns a new array since array scalars are immutable, similar to strings in Python, so each time a change is made to it, a new object is created.
python - How do I read CSV data into a record array in NumPy? - Stack ...
Aug 19, 2010 · Is there a direct way to import the contents of a CSV file into a record array, just like how R's read.table(), read.delim(), and read.csv() import data into R dataframes? Or should I use …
python - How do I create an empty array and then append to it in …
That is the wrong mental model for using NumPy efficiently. NumPy arrays are stored in contiguous blocks of memory. To append rows or columns to an existing array, the entire array needs to be …
python - Frequency counts for unique values in a NumPy array - Stack ...
How do I efficiently obtain the frequency count for each unique value in a NumPy array?
Converting numpy dtypes to native python types - Stack Overflow
Feb 26, 2012 · Python maps numpy dtypes to python types, I'm not sure how, but I'd like to use whatever method they do. I think this must happen to allow, for example, multiplication (and other …
How can I calculate a rolling / moving average using Python + NumPy ...
There doesn’t seem to be any function in NumPy or SciPy that simply calculate the moving average, leading to convoluted solutions. My question is twofold: What's the easiest way to (correctly) imp...