Merge pull request #41 from phobson/fix-greek-lambda

Fix greek lambda

Author: phobson

paramnormal/dist.py

@@ -887,7 +887,16 @@ class rice(BaseDist_Mixin):
     @utils.greco_deco
     def _process_args(R=None, loc=0, sigma=None, fit=False):
         loc_key, scale_key = utils._get_loc_scale_keys(fit=fit)
-        return {loc_key: loc, scale_key: sigma, 'b': R/sigma if R is not None else None}
+
+        if fit:
+            bkey = 'fb'
+        else:
+            bkey = 'b'
+
+        b = None
+        if R is not None and sigma is not None:
+            b = R / sigma
+        return {loc_key: loc, scale_key: sigma, bkey: b}
 
     @classmethod
     def fit(cls, data, **guesses):

paramnormal/tests/test_dist.py

@@ -365,7 +365,7 @@ def test_processargs(self):
         assert result == expected
 
         result = self.dist._process_args(R=10, sigma=2, fit=True)
-        expected = dict(b=5, floc=0, fscale=2)
+        expected = dict(fb=5, floc=0, fscale=2)
         assert result == expected
 
     @seed

paramnormal/utils.py

@@ -10,7 +10,7 @@
     'α': 'alpha',
     'β': 'beta',
     'γ': 'gamma',
-    'λ': 'lambda_',
+    'λ': 'lamda',
     'θ': 'theta',
 }