commonslibrary | The Campaigns Library
kandi X-RAY | commonslibrary Summary
kandi X-RAY | commonslibrary Summary
The Campaigns Library
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QUESTION
I am working with some election data using pandas. I would like to know how votes from party A would transfer to parties B and C in each of the 650 seats if party A did not exist.
We assume that we know that nationally:
- to_B: 48% transfer to party B
- to_C: 32% would transfer to party C
- to_dnv: 20% would not vote
I am looking to generate a normal distribution of numbers between 0 and 1 for each seat, where:
- The sum of each row sums to 1
- The average of column to_B is 0.48
- The average of column to_C is 0.32
- The average of column to_dnvis 0.2
As an example with completely separate numbers:
seat to_B to_C to_dnv 1 0.5 0.3 0.2 2 0.1 0.6 0.3 3 0.3 0.3 0.4 ... ... ... ... 650 etc etc etcHere in this manual example:
- All rows sum to 1
- The average of to_B is 0.3, which we would have defined before generation.
- The average of to_C is 0.4, which we would have defined before generation.
- The average of to_dnv is 0.3, which we would have defined before generation.
The motivation is such that later I zip together this table with another separate table I have already built which contains the election results of each seat. Then I will use these normally distributed numbers to redistribute party A's votes into party B, C and DNV.
What is the best way to go about generating such a matrix? Preferably in Pandas.
Code so far:
...ANSWER
Answered 2021-May-12 at 06:41The answer above by Henry Ecker is definitely the better solution here. Leaving this one up in case anyone finds it useful.
Original solutionAlright so I have something that seems to work, but probably isn't mathematically sound.
The idea is to generate two normally distributed random variable lists for a and b, and fill it up to 1 for c.
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