| { |
| "columns": { |
| "ceiling_series": { |
| "dtype": "float32", |
| "semantics": "training-normalized predictability proxy" |
| }, |
| "lagged_vol": { |
| "dtype": "float32", |
| "semantics": "causal 24-row trailing cross-sectional volatility" |
| }, |
| "regime": { |
| "dtype": "int8", |
| "semantics": "training-threshold calm or stress indicator" |
| }, |
| "row_index": { |
| "dtype": "int64", |
| "semantics": "global chronological row index" |
| }, |
| "timestamp": { |
| "dtype": "int64", |
| "semantics": "UTC Unix timestamp in seconds" |
| }, |
| "valid": { |
| "dtype": "fixed_size_list<bool>[1000]", |
| "semantics": "pre-fill validity mask" |
| }, |
| "values": { |
| "dtype": "fixed_size_list<float32>[1000]", |
| "semantics": "target cross-section" |
| }, |
| "xs_vol": { |
| "dtype": "float32", |
| "semantics": "cross-sectional population standard deviation" |
| } |
| }, |
| "format": "finance1k-hf-parquet-v1", |
| "row_granularity": "one timestamp and one synchronized 1,000-ticker cross-section", |
| "ticker_axis": "values[j] and valid[j] correspond to selection_order j in metadata/tickers.parquet" |
| } |
|
|
