To explain better lets consider an example where a sales manager is given an excel sheet with sales details of all sales done by sales person working under him. He may have to sit for hours trying to figure out the performance of each region, each sales person, comparing performance with previous months etc. But with data visualization technique all these data could be represented visually in form of graphs or charts which will give the sale manager all the information he/she needs within minutes, based on which the sale manager could take appropriate decisions or develop strategies.
Large data could be analyzed and visualized easily using data visualization tools/software. A Data visualization tool/software allows the user to select the best way of presenting the data with ease. Depending on what user feel is best, user can choose between pie charts, bar charts, line graphs etc to express the data better.
There are lots of data visualization tools available in market, some are paid and some are free. Below you could find details of few data visualization tools.
1. PowerBI
Free Trial: Available
Pricing: Has both Free and Paid version
2. Tableau
Free Trial: Available
Pricing: Paid version (Tableau public is free)
3. Sisense
Free Trial: Available
Pricing: Paid version
4. Kibana (Open Source)
Free Trial: Available
Pricing: Has both Free (community Edition) and Paid (Enterprise Edition) version
5. Knowage (Open Source)
Free Trial: Available
Pricing: Free
6. Qlik View
Free Trial: Available
Pricing: Free (Personal Edition) and Paid (Enterprise Edition)
7. Google Data Studio
Free Trial: Available
Pricing: Free
8. R
Free Trial: Available
Pricing: Free
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