Upload Alex-MP-20 dataset (original OMatG snapshot)

README.md

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+---
+dataset_info:
+  features:
+  - name: pos
+    list:
+      list: float64
+  - name: cell
+    list:
+      list: float64
+  - name: atomic_numbers
+    list: int32
+  - name: pbc
+    list: int32
+  - name: ids
+    dtype: string
+  - name: space_group
+    dtype: string
+  - name: chemical_system
+    dtype: string
+  - name: energy_above_hull
+    dtype: float64
+  - name: dft_band_gap
+    dtype: float64
+  - name: dft_bulk_modulus
+    dtype: float64
+  - name: dft_mag_density
+    dtype: float64
+  - name: hhi_score
+    dtype: float64
+  - name: ml_bulk_modulus
+    dtype: float64
+  splits:
+  - name: train
+    num_bytes: 275404282
+    num_examples: 540162
+  - name: val
+    num_bytes: 34399182
+    num_examples: 67521
+  - name: test
+    num_bytes: 34417160
+    num_examples: 67521
+  download_size: 236386052
+  dataset_size: 344220624
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
+  - split: val
+    path: data/val-*
+  - split: test
+    path: data/test-*
+---

data/test-00000-of-00001.parquet

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+size 23905465

data/train-00000-of-00001.parquet

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data/val-00000-of-00001.parquet

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