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Questions tagged [weighted]

The use of this tag is discouraged. Please use more specific "weighted-data", "weighted-sampling", "survey-weights", "weighted-regression" instead.

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Is explained variance a valid measure for weighted regression?

How should we calculate the R^2 statistics in weighted linear regression? Should we also weight each residual to decrease the sum of squares of the residuals? If ...
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11 views

Quadratic weighted kappa error

I have recently downloaded the extension for weighted kappa on SPSS. I followed the procedure of this video. However, at the end I have the following error "some ratings are not integers". Do you have ...
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41 views

How to use weighted data in linear modeling?

I have data from studies where each study has the means for that sub sample and the sample size is n, so the n is a frequency. There is one categorical predictor. The dependent variable is a % (the % ...
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5 views

Weighted average based of incoming volume and AHT per case in seconds

I want o calculate the weighted average for the AHT column in the below data Date Volume AHT per case in sec 1/2/2019 7188 44 sec 2/2/2019 453 123 sec 3/2/2019 345 563 sec Like this i ...
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15 views

Comparing cage average values… weighted, pooled, nested?

I want to compare food consumption between three treatment groups. Each treatment group had 20 individuals, however, due to logistical constraints they were group housed in cages with 2-3 individuals ...
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13 views

How to weight values for a weighted average

I have 100 answers regarding production times in minutes of a certain product from 100 manufacturers around the country. I also know if these companies have met any of the 3 quality standards relating ...
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81 views

Obeservation Weighted KMeans

I have an unbalanced textual dataset. Now when I perform K-Means clustering on that with the prior information that the dataset needs to be divided into two cluster(Elbow analysis and Shilloute Score),...
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512 views

weighted kappa for intra/inter-rater reliability in SPSS

I am working with ordinal scales for cerebral atrophy (ratings 0 to 4) and vascular burden (ratings 0 to 3) assessed by two raters. I have installed the extension bundle for weighted kappa from SPSS ...