1. Denormalize your data. In Hive a good practice is to denormalize your data. With De-normalisation, the data is present in the same table so there is no need for any joins, hence the selects are very fast. 2. Execution Engine Using your execution engine as tez or spark will optimize hive queries. 3. […]
Are you a student who wants to learn Tableau? Read below to see how you can get a free copy of Tableau. Thanks to Tableau on campus, students and instructors can get their Tableau started for free. Are you a student looking for a data visualization tool to sort out mulple data sets for school […]
Data visualization is one of the most enjoyable trends in media. Here we have mapped estimated current population across all zip codes in WA state. Curious to find population in your zip code? Mouse-over to find it. Enjoy!
Our Tableau visualization visualizes racial wage gap in the top five cities with highest hiring opportunity that are San Jose, San Francisco, Seattle, Boston, Washington DC (according to Glassdoor). Which race earns most? What job is right for you? Surprisingly it is not quite what you think. Across the United States, even in cities with promising […]
Dataviz by Painted data. Data Source – UCR Data Online It is alarming to know that American is sexually assaulted every 98 seconds. This dataviz displays trend in rapes across all states in USA. Visit Gallery Other facts about rape in USA According to the Center for Disease Control and Prevention: 1. Nearly 1 in […]
What is Data Visualization? Data Visualization plays an important role in the world of Business Intelligence (BI). By efficiently identifying trends and patterns, Data Visualization helps the user quickly understand and relate to the data, without having to painstakingly sift through it. Because of the way the human brain processes information, it is faster for people […]