Fix #3638: Binary classification demo should produce LIBSVM with 0-based indexing #3652
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…0-based indexing
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@tqchen I'm going to assume that XGBoost uses 0-based indexing in LIBSVM by default |
CodingCat
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Sep 18, 2018
…0-based indexing (dmlc#3652)
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Fixes #3638 by ensuring that feature indices start with 0, not 1.