Farhan Rahman

This course has given me great insight on how data analytics is used in business and other sectors. A main takeaway from this course are the skills needed to utilize MySQL and R Studio. These programs are very helpful in managing and analyzing data for a wide range of uses. I feel that I have more expertise that I can add to my knowledge bank for…[Read more]

My advice to those determining which predictor values to use for a decision tree would be to choose the variables that greatly divide the data first. You would then incrementally choose lesser differentiators until you reach the leaf node values. The order of the predictor values would be different depending on what you are trying to decide.

Find a graphic that does a nice job of telling a story. Post a link to the graphic and explain why you think it’s an example of a good data visualization.

http://www.coolinfographics.com/blog/2016/2/11/power-hungry-the-rise-fall-of-electricity-consumption.html

This infographic is very informative on the average household energy c…[Read more]

What do you think is the trickiest thing about creating an ERD from a problem description? What advice would you give to deal with that issue?

The trickiest part of making an ERD is appropriately assigning the cardinalities to the entity-entity relationships. It can be tricky if you have many entities displayed; there could be discrepencies in…[Read more]