Data
StackOverflow-polarity-train

StackOverflow-polarity-train

active ARFF Publicly available Visibility: public Uploaded 29-01-2022 by Fabio Calefato
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  • Machine Learning sentiment_analysis Statistics
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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)numeric3097 unique values
0 missing
textstring3045 unique values
0 missing
Show all 2 features

19 properties

NumberOfInstances
3097
Number of instances (rows) of the dataset.
NumberOfFeatures
2
Number of attributes (columns) of the dataset.
NumberOfClasses
3
Number of distinct values of the target attribute (if it is nominal).
NumberOfMissingValues
0
Number of missing values in the dataset.
NumberOfInstancesWithMissingValues
0
Number of instances with at least one value missing.
NumberOfNumericFeatures
0
Number of numeric attributes.
NumberOfSymbolicFeatures
1
Number of nominal attributes.
Dimensionality
0
Number of attributes divided by the number of instances.
PercentageOfNumericFeatures
0
Percentage of numeric attributes.
MajorityClassPercentage
38.3
Percentage of instances belonging to the most frequent class.
PercentageOfSymbolicFeatures
50
Percentage of nominal attributes.
MajorityClassSize
1186
Number of instances belonging to the most frequent class.
MinorityClassPercentage
27.19
Percentage of instances belonging to the least frequent class.
MinorityClassSize
842
Number of instances belonging to the least frequent class.
NumberOfBinaryFeatures
0
Number of binary attributes.
PercentageOfBinaryFeatures
0
Percentage of binary attributes.
PercentageOfInstancesWithMissingValues
0
Percentage of instances having missing values.
AutoCorrelation
0.34
Average class difference between consecutive instances.
PercentageOfMissingValues
0
Percentage of missing values.
Show all 19 properties

1 tasks

Supervised Classification on StackOverflow-polarity-train
0 runs - estimation_procedure: 10 times 10-fold Crossvalidation - evaluation_measure: area_under_roc_curve - target_feature: polarity
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