diff --git a/tests/test_data/fit_simulated_blocks.pick b/tests/test_data/fit_simulated_blocks.pick
index 3cbe47a7..b50650dc 100644
Binary files a/tests/test_data/fit_simulated_blocks.pick and b/tests/test_data/fit_simulated_blocks.pick differ
diff --git a/tests/test_data/fit_simulated_pfact.pick b/tests/test_data/fit_simulated_pfact.pick
index 4601478d..c66eabd5 100644
Binary files a/tests/test_data/fit_simulated_pfact.pick and b/tests/test_data/fit_simulated_pfact.pick differ
diff --git a/tests/test_data/fit_simulated_pfact.txt b/tests/test_data/fit_simulated_pfact.txt
index 4ccf5db9..1ea74754 100644
--- a/tests/test_data/fit_simulated_pfact.txt
+++ b/tests/test_data/fit_simulated_pfact.txt
@@ -1,36 +1,36 @@
 # r_number	log_P     
-8         	3.8466754 
-9         	3.8466229 
-10        	3.8464015 
-11        	3.8469579 
-12        	3.8474224 
-13        	3.9776278 
-14        	3.9891098 
-16        	3.9892778 
-17        	3.9908769 
-18        	4.1059871 
-19        	4.1070933 
-20        	4.1072168 
-21        	4.107873  
-22        	4.1079836 
-23        	4.1079903 
-24        	4.1080041 
-25        	4.1080728 
-26        	4.1084266 
-27        	4.1083612 
-29        	4.108757  
-30        	4.1086254 
+8         	3.7115939 
+9         	3.7110271 
+10        	3.7119055 
+11        	3.7123797 
+12        	4.0148959 
+13        	4.0150375 
+14        	4.0158677 
+16        	4.0154729 
+17        	4.0155935 
+18        	4.0159378 
+19        	4.0560422 
+20        	4.0578184 
+21        	4.4197993 
+22        	4.4204636 
+23        	4.420433  
+24        	4.4202905 
+25        	4.4206009 
+26        	4.0579147 
+27        	4.0575852 
+29        	4.0573363 
+30        	4.0571632 
 31        	nan       
 32        	nan       
 33        	nan       
 34        	nan       
 35        	nan       
-36        	2.5599239 
-37        	2.5599868 
-39        	1.5976599 
-40        	1.5977092 
-41        	1.7836723 
-42        	1.7835279 
-43        	1.7838916 
-44        	1.7838496 
-45        	1.7839544 
+36        	3.3285515 
+37        	3.3285861 
+39        	1.4068679 
+40        	1.4067899 
+41        	3.6045165 
+42        	3.604476  
+43        	1.8322316 
+44        	1.8316962 
+45        	1.8316834 
diff --git a/tests/test_data/fit_simulated_rates.pick b/tests/test_data/fit_simulated_rates.pick
index ec9772b2..7a3bb75c 100644
Binary files a/tests/test_data/fit_simulated_rates.pick and b/tests/test_data/fit_simulated_rates.pick differ
diff --git a/tests/test_data/fit_simulated_rates.txt b/tests/test_data/fit_simulated_rates.txt
index 55432772..caebf470 100644
--- a/tests/test_data/fit_simulated_rates.txt
+++ b/tests/test_data/fit_simulated_rates.txt
@@ -1,36 +1,36 @@
 # r_number	log_k     
-8         	-0.72372538
-9         	-0.7242102
-10        	-0.72384173
-11        	-0.72397941
-12        	-0.72510225
-13        	-0.72500002
-14        	-0.72654444
-16        	-0.72624129
-17        	-0.72625077
-18        	-0.72676915
-19        	-0.72751749
-20        	-0.72854203
-21        	-0.75911123
-22        	-0.76012272
-23        	-0.7608031
-24        	-0.7608276
-25        	-0.76137829
-26        	-0.76166576
-27        	-0.76205301
-29        	-0.76255149
-30        	-0.76250285
+8         	-0.67549235
+9         	-0.67626661
+10        	-0.67647213
+11        	-0.68203932
+12        	-0.68784314
+13        	-0.70691133
+14        	-0.70823681
+16        	-0.71083641
+17        	-0.71085274
+18        	-0.7098949
+19        	-0.71316993
+20        	-0.71179193
+21        	-0.82279223
+22        	-0.82289416
+23        	-0.82351077
+24        	-0.82403904
+25        	-0.82599753
+26        	-0.82598841
+27        	-0.82600743
+29        	-0.82600868
+30        	-0.82722884
 31        	nan       
 32        	nan       
 33        	nan       
 34        	nan       
 35        	nan       
-36        	-0.0635968
-37        	-0.063641079
-39        	1.6106005 
-40        	1.6106826 
-41        	1.6109104 
-42        	1.610931  
-43        	1.6109942 
-44        	1.6110662 
-45        	1.6109979 
+36        	-0.77571869
+37        	-0.77566528
+39        	1.1646503 
+40        	1.1646503 
+41        	0.13217357
+42        	0.13217357
+43        	1.4633121 
+44        	1.463352  
+45        	1.4632318 
diff --git a/tests/test_data/fit_simulated_wt_avg.pick b/tests/test_data/fit_simulated_wt_avg.pick
index 45b09e0c..916788c8 100644
Binary files a/tests/test_data/fit_simulated_wt_avg.pick and b/tests/test_data/fit_simulated_wt_avg.pick differ