Build Decision Tree using Regression Algorithm Solved Example in machine learning by Mahesh Huddar

[@AkhilaRelangi]

Sir tell me, which formula is used for Standard deviation either N or n-1 in denominator ,which one is correct

[@satishkumarp5023]

n

[@shrutijaiswal7820]

you have used n-1 ... @@satishkumarp5023

[@shrutijaiswal7820]

here ,we are finding sample sd ... @@satishkumarp5023

[@johanbell3119]

n-1 for unbiased estimator so n-1 is a better choice

[@mudassirahmedi5617]

Thanks for this video ,I am currently learning data science with python and was stuck on this topic for some time. This gave me a lot of clarity

[@MaheshHuddar]

You are welcome! Do like share and subscribe

[@YaseminZ-i8r]

Thanks a lot dear Prof.. 🙏🏻

[@MaheshHuddar]

You're welcome Do like share and subscribe

[@aalishanhunzai]

I am getting the standard deviation for the result as whole 14.5 instead of 16.55 is anyone else getting the same answer?

[@MaheshHuddar]

Check whether you are using 'n' or 'n-1' in denominator

[@vinaysbuddhi-bd4it]

Should we take denomination as no. of instance or no. of instance -1 i.e., n or n-1

[@vinaysbuddhi-bd4it]

@@mihirjataniya1612 there are 2 formulas for S.D one for population data and one for sample data