Data
StackOverflow-polarity-test

StackOverflow-polarity-test

active ARFF Publicly available Visibility: public Uploaded 29-01-2022 by Fabio Calefato
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  • Computer Systems Machine Learning sentiment_analysis
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A Gold Standard of ~4,400 questions, answers, and comments from Stack Overflow, manually annotated for polarity. The dataset has been used for developing the EMTk toolkit for polarity detection from technical text.

2 features

polarity (target)nominal3 unique values
0 missing
id (row identifier)numeric1326 unique values
0 missing
textstring1317 unique values
0 missing

19 properties

1326
Number of instances (rows) of the dataset.
2
Number of attributes (columns) of the dataset.
3
Number of distinct values of the target attribute (if it is nominal).
0
Number of missing values in the dataset.
0
Number of instances with at least one value missing.
0
Number of numeric attributes.
1
Number of nominal attributes.
0
Number of attributes divided by the number of instances.
0
Percentage of numeric attributes.
38.31
Percentage of instances belonging to the most frequent class.
50
Percentage of nominal attributes.
508
Number of instances belonging to the most frequent class.
27.15
Percentage of instances belonging to the least frequent class.
360
Number of instances belonging to the least frequent class.
0
Number of binary attributes.
0
Percentage of binary attributes.
0
Percentage of instances having missing values.
0.34
Average class difference between consecutive instances.
0
Percentage of missing values.

1 tasks

0 runs - estimation_procedure: 10 times 10-fold Crossvalidation - evaluation_measure: area_under_roc_curve - target_feature: polarity
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