Consider I have a dataframe: First, how do I print all the rows that has “|” in column 1? I am trying the following but it prints all rows of the frame: Second, how do I split the column 1 and column 2 on “|”, so that each split in column 1 gets its corresponding split from column 2 an…
How to create the Numpy array X of shape (2638, 1838) for a dataframe has shape (2638, 1840)?
Hi, can someone please help me with this? What should do if I want to use NumPy to get an array X which has a shape (2638, 1838) while the dataframe has a shape of (2638, 1840)? Here is my code: Answer Conversion to Numpy and back to Pandas, as advised in one of comments to your post, is not
Python – Nested Loops
I am having a problem with a loop in python to get the desired result. Here is my issue. First, I have 1 text file: urls.txt. This file has multiple URLs. Second, I have multiple json files. Lets say there are 5 json files. I want to process first n lines of the urls.txt file with 1.json file and then
Verify Median Value with Area Under the Curve Calculation
I want to calculate the area under this curve for confirmation that the size is correct. How would one go about doing this? I have a frequency plot below. The package utilized for this median calculation is here: https://github.com/nudomarinero/wquantiles I started with thinking the trapezoid method could be …
View Alaskan/East Siberian Side of Arctic in Cartopy
I have some points plotted on a NorthPolarStero map in Cartopy using the following code But I would actually like to plot just the top half of this image, like this: If I change the “`ax.set_extent“ line to either: [90, -90, 90, 66] or [-90, 90, 90, 66] It just gives me the bottom half of the plot…
Openpyxl to create dataframe with sheet name and specific cell values?
What I need to do: Open Excel Spreadsheet in Python/Pandas Create df with [name, balance] Example: name balance Jones Ministry 45,408.83 Smith Ministry 38,596.20 Doe Ministry 28,596.20 What I have done so far… Then… I viewed all the sheet names by… And created a dataframe with the ‘nam…
Training a single model jointly over multiple datasets in tensorflow
I want to train a single variational autoencoder model or even a standard autoencoder over many datasets jointly (e.g. mnist, cifar, svhn, etc. where all the images in the datasets are resized to be the same input shape). Here is the VAE tutorial in tensorflow which I am using as a starting point: https://www…
If-Else Statement in Custom Training Loop in Tensorflow
I created a model class which is a subclass of keras.Model. While training the model, I want to change the weights of the loss functions after some epochs. In order to do that I created boolean variables to my model indicating that the model should start training with additional loss function. I add a pseudo …
Can I shift specific values in one data column to another column while keeping the other values unchanged?
Here is an example dataset that I have: I want to take all the values that have “1” in them in the Column “C2” and shift them to replace the adjacent values in column “C1”. So the output should look like: Alternatively, I could create a new column with these values replaced…
How do I create a linear regression model for a file that has about 500 columns as y variables? Working with Python
This code manually selects a column from the y table and then joins it to the X table. The program then performs linear regression. Any idea how to do this for every single column from the y table? Answer You can regress multiple y’s on the same X’s at the same time. Something like this should wor…