Update ASR reproducibility dataset card

README.md

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+---
+license: cc-by-4.0
+pretty_name: ASR CYGNSS-SMAP H-GMM reproducibility data
+task_categories:
+- tabular-regression
+tags:
+- cygnss
+- smap
+- gnss-r
+- ocean-wind
+- remote-sensing
+- gaussian-mixture-model
+---
+
+# ASR CYGNSS-SMAP H-GMM reproducibility repository
+
+This public dataset repository stores **derived CYGNSS-SMAP collocations, model
+checkpoints, evaluation statistics, and manuscript figures** for the manuscript
+on year-adaptive CYGNSS sea-surface wind retrieval.
+
+## Upstream public data
+
+- CYGNSS Level-2 Science Data Record v3.2 (`CYGNSS_L2_V3.2`), NASA PO.DAAC,
+  DOI: 10.5067/CYGNS-L2X32.
+- JPL SMAP Level-2B CAP Sea Surface Salinity and extreme-wind product v5.0
+  (`SMAP_JPL_L2B_SSS_CAP_V5`), NASA PO.DAAC, DOI: 10.5067/SMP50-2TOCS.
+
+The upstream raw HDF5/netCDF granules are **not mirrored** here. They are
+retrieved temporarily in Google Colab, transformed into quality-controlled
+collocation shards, and deleted after the derived shard has been uploaded.
+
+## Repository structure
+
+- `data/collocations/`: monthly Parquet shards for 2021-2025.
+- `training/`: balanced historical training sample.
+- `models/`: hard-gated H-GMM and chronological calibrators.
+- `predictions/`: 2025 raw and strict out-of-time test predictions.
+- `metrics/`: JSON/CSV statistical outputs and bootstrap intervals.
+- `figures/`: vector PDF and 600-dpi PNG manuscript figures.
+- `manifests/`: provenance, checksums, split definitions, and processing logs.
+- `code/`: exact Colab notebook and support package.
+
+## Important limitations
+
+SMAP is treated as an external reference product rather than error-free ground
+truth. The strict primary protocol uses the earliest 5% of 2025 observations as
+chronological anchors and evaluates all later observations without anchor/test
+overlap.
+
+Repository: `wuff-mann/ASR-CYGNSS-HGMM-Reproducibility`