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Several functions in FCC scorer not used/tested #2120

wschin opened this Issue Jan 11, 2019 · 0 comments


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wschin commented Jan 11, 2019

As title. The functions below have zero reference counts.

        private static IDataScorerTransform Create(IHostEnvironment env, Arguments args, IDataView data, ISchemaBoundMapper mapper, RoleMappedSchema trainSchema)
            Contracts.CheckValue(env, nameof(env));
            env.CheckValue(data, nameof(data));
            env.CheckValue(mapper, nameof(mapper));
            if (args.Top< 0)
                throw env.Except($"Number of top contribution must be non negative");
            if (args.Bottom < 0)
                throw env.Except($"Number of bottom contribution must be non negative");

            var contributionMapper = mapper as RowMapper;
            env.CheckParam(mapper != null, nameof(mapper), "Unexpected mapper");

            var scorer = ScoreUtils.GetScorerComponent(env, contributionMapper);
            var scoredPipe = scorer.CreateComponent(env, data, contributionMapper, trainSchema);
            return scoredPipe;

        // Factory method for SignatureBindableMapper.
        private static ISchemaBindableMapper Create(IHostEnvironment env, Arguments args, IPredictor predictor)
            Contracts.CheckValue(env, nameof(env));
            env.CheckValue(predictor, nameof(predictor));
            var pred = predictor as IFeatureContributionMapper;
            env.CheckParam(pred != null, nameof(predictor), "Predictor doesn't support getting feature contributions");
            return new BindableMapper(env, pred, args.Top, args.Bottom, args.Normalize, args.Stringify);

        // Factory method for SignatureLoadModel.
        private static ISchemaBindableMapper Create(IHostEnvironment env, ModelLoadContext ctx)
            => new BindableMapper(env, ctx);

I further commented out the whole FeatureContributionCalculation.cs, rebuilt my solution, and ran all tests starting with FeatureCont. Surprisingly, all tests passed.

@zeahmed zeahmed added the test label Jan 11, 2019

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