The code: i have lots of dates in a column which i want to convert to number of days but i simply keep getting errors. im new to pandas so sorry if the question is silly but why am i getting errors and how to fix them. Thank you Answer To get the number of days to now, use:
Tag: python
ImportError: cannot import name ‘app’ from partially initialized module ‘market’ (most likely due to a circular import)
I was trying to package my code as it was getting kind of complex for me to keep in one file and i encountered an import error when i tried to run the file that says circular import error, how do i solve this error? I have been analyzing the code and i cannot seem to be able to figure
How to clean survey data in pandas
Input: Output: here’s the data: d = {‘Morning’: [“Didn’t answer”, “Didn’t answer”, “Didn’t answer”, ‘Morning’, “Didn’t answer”], ‘Afternoon’: [“Didn’t answer”, ‘Afternoon&#…
venv dependencies are being added without being downloading
I use virtual environments in my django projects. When I create my venv, I do like this from my command line This creates a folder called venv on my mac machine in my Dev folder. After I pip install django in the venv, I use the pip list command. At this point the list only contains the default django package…
Scipy BasinHopping not returning correct global minima
I’m working with the following scipy code. The global minimum of this function is at 0, but this isn’t what basin hopping returns. Depending on the start position x0, it returns different local minima – not the global one at 0. If we set x_0 = -6, it returns a minima at -7.7, if we set x0 = …
How to replace cost of an item with the previous cost of the same item in a dataframe using Pandas?
Suppose I have the following dataframe: And I want to replace the cost of the current item with the cost of the previous item using Pandas, with the first instance of each item being deleted. So the above dataframe would become What’s a good way to do it? Answer You can use groupby on Item as well. This…
Why does this custom function cost too much time while backward in pytorch?
I’m revising a baseline method in pytorch. But when I add a custom function in the training phase, the cost time of backward increases 4x on a single V100. Here is an example of the custom function: where b is the batch size, 16; h and w are the spatial dimensions, 100; k is equal to 21. I’m not s…
Pandas Reading csv file with ” in the data
I want to parse CSV file but the data look like in the below. While using separator as ,” it does not distribute file correctly to the columns. Is there any way to ignore ” or escaping with regex? 3,”Gunnar Nielsen Aaby”,”M”,24,NA,NA,”Denmark”,”DEN” …
Solved: A simple calculator to accept two numbers and print the addition, subtraction, multiplication, and division of the two numbers
Update: Re did my code. Now **I am unable to find the answer to this issue no 1). ** Newbie here. I spent the whole night trying to figure this out but I feel stuck if anyone can kindly guide me. Below is the question and Code I did for python. Thanks in advance. Limit the input range from -70
Populate next row event in current row based on the event in Pandas dataframe
BrkPressState VehSpdGS 1 2 1 3 1 2 1 4 0 12 0 13 0 11 1 3 0 15 0 14 0 15 1 12 1 13 0 14 For the above table i am trying to populate the next row value in previous last event, Like the below table I tried with Shift – 1 but its populating