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dmitryikh / leaves

pure Go implementation of prediction part for GBRT (Gradient Boosting Regression Trees) models from popular frameworks
MIT License
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use XGEnsembleFromFile to load the xgb model, model_t, err := leaves.XGEnsembleFromFile("xgb_model.json", true) #91

Open absent1353 opened 2 months ago

absent1353 commented 2 months ago

panic: runtime error: makeslice: len out of range goroutine 1 [running]: github.com/dmitryikh/leaves/internal/xgbin.ReadString(0x140000940c0) go/pkg/mod/github.com/dmitryikh/leaves@v0.0.0-20230708180554-25d19a787328/internal/xgbin/xgbin_io.go:176 +0x68 github.com/dmitryikh/leaves/internal/xgbin.ReadModelHeader(0x140000940c0) go/pkg/mod/github.com/dmitryikh/leaves@v0.0.0-20230708180554-25d19a787328/internal/xgbin/xgbin_io.go:230 +0x6c github.com/dmitryikh/leaves.XGEnsembleFromReader(0x140000940c0, 0x1) go/pkg/mod/github.com/dmitryikh/leaves@v0.0.0-20230708180554-25d19a787328/xgensemble_io.go:140 +0x40 github.com/dmitryikh/leaves.XGEnsembleFromFile({0x1026945ce?, 0x102605838?}, 0x1) go/pkg/mod/github.com/dmitryikh/leaves@v0.0.0-20230708180554-25d19a787328/xgensemble_io.go:259 +0x138 main.main() Documents/code/GoAI/main.go:98 +0x40 exit status 2

how can I fix the error

abucu commented 1 month ago

try xgb 0.90, and no json... https://github.com/dmitryikh/leaves/issues/80