more fixes

Author: henrydingliu

docs/friedland/chapter_7.rst

@@ -353,12 +353,12 @@ Unfortunately this does not match the table from the text, due to rounding. We w
 
     >>> def rounded_development_summary(reported: cl.Triangle(), paid: cl.Triangle()) -> pd.DataFrame():
     ...     output = pd.DataFrame() # initializing a DataFrame
-    ...     output["Reported Claims"] = reported.latest_diagonal.to_frame(origin_as_datetime=False) # using a vector of losses to anchor the exhibit index
+    ...     output["Reported Claims"] = reported.latest_diagonal.round(decimals=0).to_frame(origin_as_datetime=False) # using a vector of losses to anchor the exhibit index
     ...     age = reported.development.iloc[::-1] # flipping the age order
     ...     age.index = output.index # forcing the index to match
     ...     output['Age'] = age
     ...     output = output[['Age','Reported Claims']] # reordering the columns
-    ...     output ['Paid Claims'] = paid.latest_diagonal.to_frame(origin_as_datetime=False) # adding in paid losses
+    ...     output ['Paid Claims'] = paid.latest_diagonal.round(decimals=0).to_frame(origin_as_datetime=False) # adding in paid losses
     ...     reported_cdf = reported.ldf_.round(decimals = 3).incr_to_cum().round(decimals = 3).T
     ...     reported_cdf.index = output.index[::-1]
     ...     output["Reported CDF"] = reported_cdf