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Occurence of a value in many lists
i have a Series Object in pandas with 2 columns, one for the indices and one with lists, I need to find if a value occurs in only one of these lists and return it with the most optimal way. As an example let’s say we have this i need to return 77 because it occurs in only one of
How to label the line from transform_regression using Altair?
The code below creates a regression line; however, the legend defaults to labeling the line as “undefined.” How can this regression line be labeled in the legend as “reg-line”? Answer Simply add .transform_fold([“reg-line”], as_=[“Regression”, “y”]).…
Classifiy dataframe row according to string occurence from a list
With the following dataframe: And the following list: What is the most efficient way to summarize the occurrence of each word from the list in each row of the column ‘Sentence’? I’m looking for the following result: Thanks in advance! Answer You can do it using apply function as well:
Pandas sum() with character condition
I have the following dataframe: I want to use cumsum() in order to sum the values in column “1”, but only for specific variables: I want to sum all the variables that start with tt and all the variable that start with bb in my dataframe, so in the end i’ll have the folowing table : I know ho…
pandas sort values to get which item is placed with the most quantity
how to show which item is placed with the most quantity from this data? how to show which item is most ordered groupby choice_description? My data Answer This will list all ties (if any). Output:
Extract corresponding df value with reference from another df
There are 2 dataframes with 1 to 1 correspondence. I can retrieve an idxmax from all columns in df1. Input: Output: df1, df2 and df Now I want to create a df which contains 3 columns Desired Output df: What are the best options to extract the corresponding values from df2? Answer Your main problem is matching…
Python: Random list with odds and even numbers
New to python. I’ve got an assignment where I have to generate a random list of numbers between -10 and 30 and then proceed to call odds and evens from the list. So far I’ve got this, but I have no idea how to proceed and how to make it actually work properly. Also I need to figure out how
How to find nearest point in segment in a 3d space
I am solving an algorithmic problem which sounds like this: Given a three-dimensional space and segments in it. Find the point with minimal distance to all of the segments. Example input: in the first line N – the number of segments, in the N next lines given the begin and the end of each segment: x1 y1…
Reading software-specific text file data into pandas dataframe
A software I use outputs the results as text txt files in the following way Output Text File. or like here for example: Now I want to analyse the results for each joint and dont know how to import the text file into pandas in a feasible way. Optimally I want something like this Wanted Format or a separate pan…