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Mike Wilcox
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Do I need to adjust frequencies or weights of rows so the right weight is given to each sample (data mining)

Started this discussion. Last reply by Patrick Stroh Apr 13. 1 Reply

The general problem type is as follows. I have about 2,500 rows of data. Each row contains data about an individual sample with sizes from around 10,000 to 200,000 (a known attribute / column), and…Continue

Tags: neural, networks, logistic, regression, trees

 

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Patrick Stroh replied to Mike Wilcox's discussion Do I need to adjust frequencies or weights of rows so the right weight is given to each sample (data mining)
"It depends on the research question.  I understand you're trying to predict a health outcome at the city level.  Does that mean: your success criteria is to predict the classification of the CITY (** implied), or the level of impact…"
Apr 13
Mike Wilcox posted a discussion

Do I need to adjust frequencies or weights of rows so the right weight is given to each sample (data mining)

The general problem type is as follows. I have about 2,500 rows of data. Each row contains data about an individual sample with sizes from around 10,000 to 200,000 (a known attribute / column), and there are attributes in the row that are percentages of the individual samples with different characteristics. The samples do not overlap. There is a binary categorical target (not highly imbalanced).The specific problem follows. The rows are characteristics of cities (number of streets, number of…See More
Apr 9

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Graduate student - Data Analytics
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