diff --git a/osak/__main__.py b/osak/__main__.py
index 31a4cb5..3d6dae7 100644
--- a/osak/__main__.py
+++ b/osak/__main__.py
@@ -22,5 +22,6 @@ psr = ArgumentParser(
 )
 psr.add_argument("dir", nargs="+")
 
+cntr = 0
 for i in psr.parse_args().dir:
-	process(i)
+	process(i,cntr)
diff --git a/osak/procdir.py b/osak/procdir.py
index c56d51d..2eb6b69 100644
--- a/osak/procdir.py
+++ b/osak/procdir.py
@@ -2,6 +2,8 @@ import os
 import sys
 from brukeropusreader import read_file
 import re
+import numpy as np
+import pandas as pd
 
 match_opus = re.compile(r"_[0-9]+(\.[0-9]+)?T.0$")
 
@@ -19,7 +21,26 @@ class BlankSpace:
 	def __getitem__(self, _):
 		return " "
 
-def process(s):
+def average(fn, freq, fields):
+	frame = pd.DataFrame()
+	frame["f"] = np.linspace(freq[0], freq[1], num=freq[2])
+	keys=[]
+
+	for k,v in fields.items():
+		keys.append(k)
+		frame[k] = np.zeros(freq[2])
+		for i in v:
+			frame[k] = frame[k] + np.asarray(i)
+		frame[k] = frame[k] / len(v)
+
+	keys.sort(key=lambda x:float(x))
+	keys.insert(0, "f")
+	frame[keys].to_csv(
+		path_or_buf = fn,
+		index = False
+	)
+
+def process(s,cntr):
 	groupings = {}
 	dir = os.listdir(s)
 	i = 0
@@ -30,7 +51,8 @@ def process(s):
 		v = re.search(match_opus, fn)
 		if v is None:
 			continue
-		field = v.group()[1:len(v.group())-2]
+		# lob off "T.0"
+		field = v.group()[1:len(v.group())-3]
 
 		dat = read_file(f"{s}/{fn}")
 		if "ScSm" not in dat:
@@ -42,3 +64,7 @@ def process(s):
 
 	blanks = f"Processed {i}/{len(dir)}".translate(BlankSpace())
 	sys.stderr.write(f"{blanks}\rProcessed {i} files\n")
+
+	i = 1
+	for k,v in groupings.items():
+		average(f"avg-{i}-{cntr}.csv", k, v)