Hi all is it necessary to take a certification course to switch to Data Analysis ??

Answer 1

After the legendary Andrew NG, I recommend a more practical course, still at coursera.org:
https://www.coursera.org/specializations/data-science-JUMP_LINK__&&__python__&&__JUMP_LINK

Answer 2

hum no
but study python
data science and machine learning
see @kuba's link

Answer 3

thanks Michelle...
I am from mechanical background. I started with learning Python and Machine learning course by Andrew N G.
what should be my next set to end up in a job.