@Wael Horchani Earlier in the tutorial, you created the finalresults table using: %spark
hiveContext.sql("create table finalresults( driverid String, occurance bigint,totmiles bigint,riskfactor double) stored as orc").toDF()
As you can see, riskfactor is a double and the error you are getting is a conversion error from double to long. You can try changing the table or recreating it as a Long instead of Double.
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