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C# implementation of the Normalized Compression Distance (NCD) classification algorithm with Gzip compression

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techjb/Gzip-Text-Classifier

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This project is a C# implementation of the Normalized Compression Distance (NCD)classification algorithm with Gzip compression, which can be read about inthis paper.

The original repository written in Python, can be found atthis link.

Also available as aNuget package.

Usage

Predict csv test file:

stringtrainFile=@"C:\Users\Chus\Downloads\ag_news_train.csv";stringtestFile=@"C:\Users\Chus\Downloads\ag_news_test.csv";GzipClassifierOptionsgzipClassifierOptions=new(){TrainFile=trainFile,// File path for csv train fileParallelismOnCalc=true,// Use paralelism on distance calc. Default: trueParallelismOnTestFile=false,// Use paralelism for each test. Default: falseK=3,// Value of K in k-nearest-neighbor. Default: 3TextColumn=0,// Text column number in csv file. Default: 0LabelColumn=1,// Label column number in csv file. Default: 1HasHeaderRecord=true,// Csv has header record. Deault: trueConsoleOutput=true,// Output console during file prediction. Default: true};GzipClassifiergzipClassifier=new(gzipClassifierOptions);doubleresult=gzipClassifier.PredictFile(testFile);Console.WriteLine(result);

Single text prediction:

stringtext="Socialites unite dolphin groups Dolphin groups, or\"pods\", rely on socialites to keep them from collapsing, scientists claim.";varprediction=gzipClassifier.Predict(text);Console.WriteLine(prediction);

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