Update README.md

README.md

@@ -29,7 +29,12 @@ See the github page for installation instructions. There are also usage guides a
 
 ## Dataset Overview
 
-There are three main files
+There are four main parts of this dataset:
+
+- `samples.parquet`: Providing location and metadata of sampled points
+- `labels.parquet`: Providing labels for each sampled time-series
+- `pixel_data.parquet`: Providing Sentinel-2 band data for each acquistion in the time-series
+- Sentinel-2 Chips: Image chip time-series for each sample
 
 ### samples.parquet
 
@@ -160,4 +165,12 @@ Sentinel-2 bands with a native resolution of 20m (B11, B12) were resampled to 10
 
 The file structure in each tarball is:
 
-`tiffs/<sample_id>/YYYY-MM-DD.tif`
+`tiffs/<sample_id>/YYYY-MM-DD.tif`
+
+## Train Test Split
+
+There is a train test split available which was constructed to reduce spatial autocorrelation and information leakage between the sets.
+Two JSONs with lists of sample_ids are available in 
+
+- `train_ids.json`
+- `val_ids.json`