All Questions
5 questions
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Regression With Multiple Groups in a Dataset
I am trying to predict grocery store sales from the number of cars in the parking lot. I have a dataset of around 400 stores, over two years, with a count of the number of cars in the lot at the same ...
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What type of algorithm should I use to analyse questionnaires answers?
Let's say I have a questionnaire, part of it are multiple-choice answers. The person answering may answer (a), (b) or (c) for the first question, then (a), (b), (c), (d), (e) or (f) for the second ...
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2
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562
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Predict duration of tasks with clustering and regression combined in Python
I am trying to predict the length of time (not a time series!) a work task takes, especially technical changes. The output should be a prediction of the duration the task will take in days. As input I ...
1
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2
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674
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Is it a good idea to cluster predictor variables to try an improve classification performance with logistic regression?
I have trained a logistic regression model on on a selection of 10 socio-demographic predictor variables, all of which are categorical, in order to predict customer behavior on an outcome measure. Out ...
2
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0
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275
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Inference with Mixture of Linear Regression
I have used an EM algorithm to fit a finite mixture of linear regression to my data, and cluster them into $k$ clusters.
Now that I have my clusters with the estimated parameters $\beta_k$ and $\...