All Questions
Tagged with statistics algorithm
540
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How to Fix Issues in R Code for Metropolis-Hastings Algorithm Applied to Gumbel Type II Distribution?
I am trying to implement the Metropolis-Hastings (M-H) algorithm in R to sample from the posterior distribution of a Gumbel Type II distribution. However, I'm encountering issues with my ...
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86
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How to make Matching Algorithm more efficent in Python
I've developed a Python script to calculate match scores between users based on their locations. The script generates combinations of users, calculates the average weight for each combination, ...
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52
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Gauss milton Newton
This is my code. I don't know what the problem is; it's giving me results that don't make sense,
The code begins by initializing the simulation parameters, such as the sample size (N), the number of ...
- 11
1
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1
answer
82
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Calculate Probabilites of victory in a coin flip game with n flips
In this game, a coin is flipped n times. Player 1 gains a point when two heads are flipped in a row, Player 2 gains a point when a head is flipped and followed by a tails.
For example, in the string &...
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2
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1
answer
65
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Optimization Strategy for Data Retrieval from APIs with Row Limits
I'm currently working on a data scraping project where I need to retrieve large amounts of data from several statistical APIs. These APIs, particularly older and government ones, often do not support ...
1
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1
answer
58
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How to score the consistency of angles?
I'm averaging angles by averaging their coordinates after placing them on a unit circle. I read that the length of the resulting point or centroid/center of mass is an indicator of the consistency of ...
- 11
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1
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87
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algorithm to generate numbers which have a given average product based on distance
I am trying to come up with an algorithm which generates numbers that have a given average product based on their distance. For example, say there were 4 points on the x-axis, x1 x2 x3 and x4. Each ...
- 33
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2
answers
78
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Choosing a weighted task in O(1) space-time complexity
Suppose I have a list L of tasks. Each task is represented by an integer weight, which states how important the task is.
The importance of a task doesn't affect its order, but affects its chance of ...
- 7,635
1
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159
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Moving window Autocorrelation. One pass algorithm. Speed and Stability concerns
Helllo,
I have a timeseries x for which I want to generate a 'moving window autocorrelation at lag 1' series using a window of size window_size and a step of size window_step.
I have written the ...
- 181
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184
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Calculate normalized score between two numbers
I trying to score how one number is similar to another number in one set and then create final score between normalized scores from all sets to get average score
100% similarity should occur when two ...
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votes
1
answer
39
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How to asses the total number of items?
I have a stream processing system which has a cache.
cache size is 100K and the TTL for entries is 30 minutes. I want to come up with a metric that will help me assessing the total number of items ...
- 65
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1
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85
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Quartile Array: Inclusive or Exclusive of Median Elements
Let's say that we have the following array:
[3.0, 4.0, 4.0, 4.0, 7.0, 10.0, 11.0, 12.0, 14.0, 16.0, 17.0, 18.0]
The inter-quartile range would be as follows:
25%: 4.0
50%: 10.5
75%: 15
If one then ...
- 6,500
0
votes
2
answers
440
views
Create a scoring formula to compare ratings
I have a table with 6 columns (name,1-5) representing rating number.
The table has rows with item name and how many 1 stars, 2 stars etc it received
For example:
Item 1 2 3 4 5
-------------...
- 3
1
vote
2
answers
125
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Variation of fibonacci?
Somewhere I stumbled upon a following method/function. I initially thought it is a recursive fibonacci function, but it is not. Any idea what this function do or what would be its purpose?
int ...
- 614
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votes
1
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78
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C#: Split a Single Annual Figure into Monthly amounts based on an arbitrary Y=f(X) formula
I have an annual figure, let's say for purposes of this question that the figure is 100%.
What I would like to do is have C# split the 100% figure into a curved distribution of monthly percentages ...
- 2,453