diff --git a/bean/cli/filter.py b/bean/cli/filter.py
index bfbbdc7..c707c8c 100755
--- a/bean/cli/filter.py
+++ b/bean/cli/filter.py
@@ -194,5 +194,43 @@ def main(args):
         f"Saving plotting result and log at {args.output_prefix}.[filtered_allele_stats.pdf, filter_log.txt]."
     )
     with open(f"{args.output_prefix}.filter_log.txt", "w") as out_log:
+        out_log.write(
+            "filter_step\tn_alleles\tn_var\tn_noncoding_var\tn_coding_var\tn_synonymous_var\n"
+        )
         for key in allele_df_keys:
-            out_log.write(f"{key}\t{len(bdata.uns[key])}\n")
+            if "translate" in key:
+                n_coding_vars = len(
+                    set().union(
+                        *bdata.uns[key]
+                        .aa_allele.map(lambda a: list(a.aa_allele.edits))
+                        .tolist()
+                    )
+                )
+                n_syn_vars = len(
+                    set().union(
+                        *bdata.uns[key]
+                        .aa_allele.map(
+                            lambda a: {e for e in a.aa_allele.edits if e.ref == e.alt}
+                        )
+                        .tolist()
+                    )
+                )
+                n_noncoding_vars = len(
+                    set().union(
+                        *bdata.uns[key]
+                        .aa_allele.map(lambda a: list(a.nt_allele.edits))
+                        .tolist()
+                    )
+                )
+                out_log.write(
+                    f"{key}\t{len(bdata.uns[key])}\t{n_coding_vars + n_noncoding_vars}\t{n_noncoding_vars}\t{n_coding_vars}\t{n_syn_vars}\n"
+                )
+            else:
+                n_noncoding_vars = len(
+                    set().union(
+                        *bdata.uns[key].allele.map(lambda a: list(a.edits)).tolist()
+                    )
+                )
+                out_log.write(
+                    f"{key}\t{len(bdata.uns[key])}\t{n_noncoding_vars}\t{n_noncoding_vars}\t{0}\t{0}\n"
+                )
diff --git a/bean/cli/run.py b/bean/cli/run.py
index b91457a..b602da6 100755
--- a/bean/cli/run.py
+++ b/bean/cli/run.py
@@ -44,6 +44,7 @@
 warn = logging.warning
 debug = logging.debug
 info = logging.info
+
 pyro.set_rng_seed(101)
 
 warnings.filterwarnings(
@@ -72,16 +73,20 @@ def main(args):
     print("bean-run: Run model to identify targeted variants and their impact.")
     bdata = be.read_h5ad(args.bdata_path)
     args, bdata = check_args(args, bdata)
-    if args.cuda:
-        os.environ["CUDA_VISIBLE_DEVICES"] = "1"
-        torch.set_default_tensor_type(torch.cuda.FloatTensor)
-    else:
-        torch.set_default_tensor_type(torch.FloatTensor)
     prefix = (
         args.outdir
         + "/bean_run_result."
         + os.path.basename(args.bdata_path).rsplit(".", 1)[0]
     )
+    file_logger = logging.FileHandler(f"{prefix}.log")
+    file_logger.setLevel(logging.INFO)
+    logging.getLogger().addHandler(file_logger)
+    if args.cuda:
+        os.environ["CUDA_VISIBLE_DEVICES"] = "1"
+        torch.set_default_tensor_type(torch.cuda.FloatTensor)
+    else:
+        torch.set_default_tensor_type(torch.FloatTensor)
+
     os.makedirs(prefix, exist_ok=True)
     model_label, model, guide = identify_model_guide(args)
     info("Done loading data. Preprocessing...")
diff --git a/bean/preprocessing/utils.py b/bean/preprocessing/utils.py
index 21bf6e3..b9e7c2c 100755
--- a/bean/preprocessing/utils.py
+++ b/bean/preprocessing/utils.py
@@ -24,9 +24,7 @@ def __set__(self, obj, value):
 def prepare_bdata(bdata: be.ReporterScreen, args, warn, prefix: str):
     """Utility function for formatting bdata for bean-run"""
     bdata = bdata.copy()
-    bdata.samples[args.replicate_col] = bdata.samples[args.replicate_col].astype(
-        "category"
-    )
+    bdata.samples["replicate"] = bdata.samples[args.replicate_col].astype("category")
     bdata.guides = bdata.guides.loc[:, ~bdata.guides.columns.duplicated()].copy()
     if args.library_design == "variant":
         if bdata.guides[args.target_col].isnull().any():