Merge pull request #17 from openpipelines-bio/cosmx-float-conversion

float32 conversion for cosmx metrics

Author: dorien-er

CHANGELOG.MD

@@ -1,3 +1,9 @@
+# openpipeline_qc 0.2.2
+
+## BUG FIX
+
+* `src/ingestion_qc/h5mu_to_qc_json`: Use float32 instead of float16 for CosMx staining metrics to prevent overflow to infinity (PR #17).
+
 # openpipeline_qc 0.2.0
 
 ## NEW FEATURES

src/ingestion_qc/h5mu_to_qc_json/script.py

@@ -307,7 +307,7 @@ def format_cosmx_columns(mod_obs):
         if key in mod_obs:
             if not pd.api.types.is_float_dtype(mod_obs[key]):
                 try:
-                    mod_obs[key] = mod_obs[key].astype("float16")
+                    mod_obs[key] = mod_obs[key].astype("float32")
                 except ValueError:
                     logger.warning(f"Could not convert column {key} to a float dtype.")