Goal Plot subsets of rows in a Pandas DataFrame by selecting a specific value of a column. Ideally plot it in jupyter notebook. What I did I have minimal knowledge of Javascript, so I have managed to plot by running Bokeh server with everything written in Python. However, I couldn’t make it in Jupyter n…
Tag: jupyter-notebook
IPython (jupyter) vs Python (PyCharm) performance
Are there any performance difference between a code run on a IPython (Jupyter for example) and the same code run on “standard” Python (PyCharm for example)? I’m working on a neural network for a project where I need some kind of presentation and Jupyter + IPython does the job, but i was wond…
Python Relative Import in Jupyter Notebook
Let’s say I have the following structure: In, code.ipynb, I simply want to access a function inside functions.py and tried this: I get the error: I have checked a bunch of similar posts but not yet figured this out… I am running jupyter notebook from a conda env and my python version is 3.7.6. Ans…
jupyter server : not started, no kernel in vs code
i am trying to use jupyter notebooks from vs code and installed jupyter notebook extension and i am using (base)conda environment for execution. while this happened how to resolve this issue ? Answer I had exactly the same problem when I installed Visual Studio Code and tried to run some Python code from a ju…
Outlier removal Isolation Forest
I’ve been trying to remove outliers from my database using isolation forest, but I can’t figure out how. I’ve seen the examples for credit card fraud and Salary but I can’t figure out how to apply them on each column as my database consists of 3862900 rows and 19 columns. I’ve up…
This application failed to start because no Qt platform plugin could be initialized
I am stuck trying to run a very simple Python script, getting this error: The script code is: However this Notebook code works in JupyterLab: I am on macOS, using Anaconda and JupyterLab. I would appreciate any help with this issue. Thanks! Answer For me, it worked by using a opencv-python version prior to 4.…
How to calculate with conditions in pandas?
I have a dataframe like this, I want to calculate and add a new column which follows the formula: Value = A(where Time=1) + A(where Time=3), I don’t want to use A (where Time=5). I know how to do by selecting the cell needed for the formula, but is there any other better ways to perform the calculation?…
VSCode remote Jupyter Notebook – Open an existing notebook in a specific folder on Jupyter Notebook remote server
I can connect to a remote Jupyter Notebook server with a token from VSCode through the “Python: Specify Jupyter server URI” command from the Command Palette. However, I didn’t find a way to do 2 things: Open an existing Notebook on the remote Jupyter Notebook server. Specify a folder to conn…
Seaborn histogram makes columns white
In what cases Seaborn makes histogram columns white? I use it Seaborn in Jupyter notebook: Then I plot histogram using this function: As a result in some cases I have histograms with all blue columns or some blue and some white or only white columns. Please, see attached pictures. How to make Seaborn always d…
Compute the dot product of all combinations of two rows in a matrix
I’m super new to programming and I’m trying to compute the dot product of all of the combinations of any tow rows in a N*3 matrix. For example for N = 5 I have matrix and I’d like to compute the dot products of all combinations of the rows like: row1*row2, row1*row3, row1*row4, row1*row5, ro…