I have a sine signal defined by two lists enter image description here and I want to know the points of conductance (s) at which the voltage is 0.5. I did it wit this code: voltage = […] conductance = […] edges = [] for n in voltage: if n == 0: pass elif voltage[n] > 0.5 and voltage[n-1] <
Tag: python
Creating dictionary need more than 1 value to unpack
I have two lists: I also have a json file for each manager: So now, I want to create a dictionary by to categorize data by site! which is making it challenging for me. The output I need is to show employees for each site. Here is the code I have: The error I get: Answer Instead of looping over
How to output a new dataframe with mismatched columns from two dataframes
I want to have a function that creates a new dataframe from two dataframes. I want to show the mismatched columns based on id number and a given column. dataframes as input: expected output: Answer STEP 1 // add the table name Prefix on column name STEP 2 // Concat both df STEP 3 // Using lambda function find…
Creating a single-column dataframe in Pandas from a Django queryset
I’m trying to create a dataframe containing the values from field_1 and field_2 in a single column. I haven’t used pandas a whole lot before, so I’m sure this is naive. If I’m working with a fairly large dataset, is there a way I can make this more efficient? I would like to eliminate …
Convert the lists in multiple columns to rows in pandas df
I have df with three columns: Col 0 – sentence row num Col 1 – Sentence converted to list Col 2 – list of annotations Col 0 Col1 Col2 1 [This, is, sentence] [l1, l2, l3] 2 [This, is, sentence, too] [l1, l2, l3, l4] I would like to convert Col1 and Col2 and move each row and its respective
Generic ParamSpec on Python 3.9
The following is correct in Python 3.10, but not 3.9: Running the above triggers a TypeError: What must I do to get this piece of code to run in Python 3.9? I get it that ParamSpec is a 3.10 feature. But typing-extensions is supposed to make the code backward-compatible, right? I’m guessing that I must …
list of tuples to single list
I have list of tuples in the following format, I need to convert them into following format, I have tried the following code but still producing the same result. Answer You could do it with a list comprehension: Output:
python multiply list elements inside list
I use lists to randomly pick an element over many iterations (to create artificial data sets). To change the probability of getting a certain element, I’m repeatedly adding those elements that should have a higher change of being picked, so instead of I would do Is there a better way to do this inline? …
Convert nested dictionary to pandas dataframe
I have a nested dictionary as below: I need to convert it into a dataframe like below I have tired the following code from this answer I am getting the dataframe like below This is the closest I got to the desired output. What changes do I need to make to the code to get the desired dataframe? Answer Change
Percentage append next to value counts in Dataframe
I’m trying to create a excel with value counts and percentage, I’m almost finishing but when I run my for loop, the percentage is added like a new df.to_frame with two more columns but I only want one this is how it looks in excel: I want that the blue square not appears in the excel or the df and