All Questions
Tagged with weighted-data weighted-sampling
13 questions
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28
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Weighing Data Issue
I am looking at e-cig prevalence within a city. I used surveys to collect data from residents, and I have a query around weighing data.
I have made the assumption, due to over and underrepresentation ...
- 1
1
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25
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Amplification effect of retweets on uncertainty
Consider you are scoring tweets for tone based on some sentiment analysis implementation. Each tweet has hypothetically a 90% chance of being correctly scored, while 10% get it wrong for whatever ...
- 647
6
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1
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2k
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Best way to construct a QQ-plot
I want to assess the normality of a dataset (which is log-normally distributed data transformed back to normal) using a Q-Q plot.
I stumbled on the fact that there are many ways to build such a plot, ...
- 183
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377
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Help with weighting sample according to population
I am a beginner with basic knowledge of statistics - just learning. I have a doubt regarding weighting survey sample distribution to population distribution.
I have to create a weighting variable that ...
2
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1
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142
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Application of Bayesian Averaging for Ranking
I have a sample with two metrics and one ratio per attribute. I am trying to rank the attributes based on the ratio and variable amounts and from my research I have found that most people find ...
- 159
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1
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Can someone point me towards research works relevant to Importance or Weighting Datapoints like SAW(Stepwise adaptation of weights) technique?
I am working on Fitness case importance for Symbolic Regression and found a Paper "Step-wise Adaptation of Weights for Symbolic Regression with Genetic Programming" which talks about ...
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1
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792
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How Do I Weight a Dataset to Match Needed Demographics in R?
If I have the attached file of 100 people with this dataset with the following demographics/regions:
Region: Center: 12%, East: 62%, West: 26%
Sex: Female: 82%, Male: 18%
Party: D: 89%, R: 4%, O: 7%
...
- 313
3
votes
1
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484
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Ranking with weighting amount of data
I'll try to ask this question in a form of a hypothetical:
I have 10 different advertising spaces and I want to rank them according to their conversion rate (conversions/views).
BUT, I have an uneven ...
- 33
4
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121
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Appropriate sample size for weighted sample
I have a population that is sampled such that each item has a different probability of being selected. That probability is separate and independent of the value of any given item.
How do I determine ...
- 151
3
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338
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For classification w unbalanced datasets, is class-weighing the same as oversampling?
in unbalanced classification problems, I find myself using class_weigh = "auto" or similar parameters often, but I don't think I'm fully understanding what it's doing. I know that it's the industry ...
- 575
0
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755
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Ranking based on weight for multiple variables and objectives
First of all, I know very little about statistics. I need help ranking a set of multiple solutions (about 138 solutions) based on three objectives. I work on the architectural design field, I analyzed ...
- 101
2
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736
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Distribution of weighted data
I want to fit a distribution to weighted data, and I have some issues, starting with the parameter estimation. How can I perform the MLE with the WEIGHTED data? The histogram of the weighted data fits ...
- 21
6
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1
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3k
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Weighted cases in a cluster analysis for cases in SPSS
I am conducting a cluster analysis (of cases) for a database which has weight attributed to the individual cases to ensure that it mirrors the general population in terms of sociodemographic ...
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