All Questions
Tagged with weighted-data mean
7 questions
1
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1
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29
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Weighted averages (average customer-product interactions)
I'm trying to wrap my head around a seemingly simple weighted average calculation.
I have a table joined from different sources to include customer, product and product_interaction_id :
customer
...
0
votes
0
answers
35
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Generate weighted median from activity per timespan
I have a set of data where I have a number of observations over the course of a year per individual. Generally speaking, I want to know the average activeness of the individuals that participated in ...
- 97
1
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1
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746
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How to use weight variables within aggregated results, for group proportions [closed]
If I have the following data, where each row represents and individual
response, how would I go about reporting the proportions of different groups?
(here the groups are ...
- 936
2
votes
0
answers
326
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Comparing percentage increase of datasets with different scales
I have N different datasets and my goal is to find the dataset with the biggest percentage increase in average price over all available years (Each dataset has the same number of years).
What is is ...
user136323
0
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1
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567
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Weighted Averages with Conditional Probabilities
I'm very new to statistics and am trying to learn how to analyse the risk of a therapeutic side effect occurring given different data sources.
For example, I'm trying to calculate the risk of a ...
1
vote
0
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261
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Weighted sample mean and variance - asking for references and details
I found this wiki page which tells how to compute the weights to get a BLUE for the mean from correlated observation, assuming the correlation is known.
What I'm asking is:
Some references (books) ...
- 449
4
votes
1
answer
282
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Ranking based of number of items and value
How do you avoid the issue of an item with a single 5-star rating getting a higher average rating than one with (99 5-star ratings and one 4-star rating)? How do you properly rank based on average ...
- 141