I try to put OSM data (some polygons) to geodataframe. Export from OSM contains LineString. But in the end i need to converte all data into geodataframe in this format: 0 -> name_from_tag_first_area -> polygon (or multipolygon) type with coordinates 1 -> name_from_tag_second_area -> polygon (or mu…
Tag: python
Matplotlib : Applying cmap directly is different than imshow()
I have a single band image with dimensions (62, 62), that ranges from [0, 0.3]. For context it is the NDVI band, calculated by (NVI-Red) / (NVI+Red), where NVI is a band. Can more about it here: https://en.wikipedia.org/wiki/Normalized_difference_vegetation_index I display my image with cmap=RdYlGn to get: Ho…
Variable Length Arguments (*args) in Python3
I am fairly new to Python3. I have a question with Variable Length Arguments(*args). Based on my understanding the reason why we use the Variable Length Arguments list(or tuple) is that they are useful when you need a function that may have different numbers of arguments. A function like this gives the same o…
Update columns with duplicate values from the DataFrame in Pandas
I have a data set which has values for different columns as different entries with first name to identify the respective columns. For instance James’s gender is in first row and James’s age is in 5th row. DataFrame df1= Index First Name Age Gender Weight in lb Height in cm 0 James Male 1 John 175 …
Dynamically generate a dictionary with GraphQL response values as key names
The goal of the following piece of code is to create a dictionary that is populated with data received from GraphQL query responses. Manager list is constructed as the following: managers_list: [‘manager1@email.com’, ‘manager2@email.com’] The “get_employees_per_manager” fun…
Encoding German Character in Jupyter Notebook [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 8 m…
CP sat and solution search dead end
Just wondering what CP SAT does when it selects a branch which does not lead to global optimum? For instance, a code minimizing an objective returns: I understand it ignores solutions with greater objective value in minimizing context. Below is the setup. Since the code finished in 40 seconds, can one assume …
Reshaping long format dataframe to wide format according to the number of elements in columns [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 9 months ago. Improve this question I have the following pandas dataframe X in long format: And I would like to change to the f…
How to perform an operation between two rows at a different index, repeatedly
I have an excel file that can calculate the last column with a formula. I am trying to replicate this into python code. How can I perform an operation to achieve such results? Essentially, the last column is supposed to take, for example, row 2 and subtract itself by row 0 (because they share the same industr…
How to read most recent file with Pandas? Output path is undefined?
I’m trying to read the two latest sheets in my folder READ1 and READ2 with pandas. Usually when I read files the file name has to be formatted at ‘File.xlsx’ but the method I’m using is printing in the terminal as File.xlsx. I tried changing the format with: Which outputs as [“&#…