Introduction

Question 1

what is machine learning? explain it to a school going kid.

Answer 1

answer yourself

Question 2

what is data mining?

Answer 2

it is the process by which useful information and patterns are mined from data

Question 3

what is business intelligence?

Answer 3

large amount of data is collected every second from everything we do - when we open a website, click something etc..
business intelligence (BI) uses these data to make better data driven decisions

Question 4

what is datascience and it’s hierarchy of needs?

Answer 4

datascience=datamining+computer science

dataengineer-collect ,move and store data
-instrumentation,sensors,logging,user generated content(reviews,videos,images,response,comment)
ETL-extract,transform and load data from multiple sources to data warehouse

datascientist-clean this data and use this data to explore,visualize it and apply intelligent algorithm and make models to answer related questions for which a machine learning expert is required
-data anomaly detection-finding unusual patterns or data points that does not align with the previous
data

Question 5

what is supervised,unsupervised,reinforced learning?

Answer 5

supervised - with teacher (labelled data)
unsupervised - without teacher(unlabelled data)
reinforced - trial and error- reward and penalty