Neeharika Damera

My biggest takeaway from the class is that major decisions are based on data rather than the gut feeling of the managers. This is applicable to companies of all sizes. Analytics and visualizations aid in this decision making process and they should be simple for the message to be effective. We need to keep a look out of incorrect and misleading…[Read more]

The guest speakers helped a lot in understanding how the visualizations are actually used in making business decisions. It was good to know the practical usage of what we learn in class. It was interesting to see different types of visualizations for a question and learn from the speakers which visualization is more effective for the question at…[Read more]

Q.How many visits are made by people 20 and younger. What is the most common reason.
A. 651 in total. Flu Symptoms is highest at 85.

The mashup shows the correlation between adult obesity rate and % of adults who are moderately/vigorously active. The darker states have higher correlation between these factors.

http://www.datamasher.org/mash-ups/adult-overweight-obesity-rate-divided-adults-who-were-moderatelyvigorously-active-1

Data from an applicant’s profile can be used to predict their performance in a similar job. The data can be years of experience, skill set, GPA and position. The outcome will be performance rating, productivity, accomplishments, etc.

In my previous organizations, we used to evaluate the effectiveness of new product enhancements using few indicators. It met the SMART criteria as any bugs and issues could be easily traced and linked back to the change. The indicators were based on specific criteria and were measurable and achievable. It is very relevant as the evaluation…[Read more]

I used to work in production support for a technical team. Few of the KPIs we used were no of tickets( bugs, issues etc.) raised by the client, No of days it took us to resolve each ticket etc. No of tickets is an important indicator as it lets us know if the product meets requirement. We can segregate the tickets further by function, client type…[Read more]

http://www.dailyinfographic.com/wp-content/uploads/2014/09/Wedding-budget-cost-of-wedding.jpg

I think this infographic is very simple and effective even though it is trying to provide lots of information. None of the information is lost as the visuals are in sync with the theme and do not obstruct the data. The money spent on each aspect of the…[Read more]

http://infosthetics.com/archives/2009/12/most_ugly_useless_infographic_the_winners.html

Comment for my link:
A pie chart should be whole. The tattered pie chart is confusing and we have no clue of the information it is trying to provide.This particular data can be better represented in a different chart.

http://www.theusrus.de/blog/the-good-and-the-bad-chicken-and-egg-problem/

Joins need to be used when you want to retrieve information from two or more tables. Taking an example of an online bookstore, if we have two tables books and orders , we need to join both these tables to find how many orders each book has . Similar to this, using customers and orders, we can find which customer made how many orders. Using all…[Read more]

For an ERD to correctly represent the business event, the assumptions and requirements should be correctly understood. If our assumptions are incorrect , the ERD will be an incorrect representation. For example, if we think the relationship between two entities is ‘one to many’ instead of ‘many to many’ , we will end up missing a table when we…[Read more]