Data Visualization



Data visualization 
Assignment 3

Data visualization or data visualisation is viewed by many disciplines as a modern equivalent of visual communication. It involves the creation and study of the visual representation of data, meaning "information that has been abstracted in some schematic form, including attributes or variables for the units of information".

A primary goal of data visualization is to communicate information clearly and efficiently via statistical graphics, plots and information graphics. Numerical data may be encoded using dots, lines, or bars, to visually communicate a quantitative message. Effective visualization helps users analyze and reason about data and evidence. It makes complex data more accessible, understandable and usable. Users may have particular analytical tasks, such as making comparisons or understanding causality, and the design principle of the graphic (i.e., showing comparisons or showing causality) follows the task. Tables are generally used where users will look up a specific measurement, while charts of various types are used to show patterns or relationships in the data for one or more variables.

Data visualization is both an art and a science. It is viewed as a branch of descriptive statistics by some, but also as a grounded theory development tool by others. Increased amounts of data created by Internet activity and an expanding number of sensors in the environment are referred to as "big data" or Internet of things. Processing, analyzing and communicating this data present ethical and analytical challenges for data visualization. The field of data science and practitioners called data scientists help address this challenge.

This is the video about data visualization :


Based on the video above, there are many type of application for data visualization.
I tried one of the data visualization that was gapminder from gapminder.org.
Here when i try the tools from gapminder.org

First, open gapminder.org. Look for the tools same like picture below


Second, after you click the tools the page should be like this 


Third, you can start to look for some information that you want, like: Income, Economy, CO2, and etc, by clicking the size 


I try to look for the income per person and also you can change the region or click search to look for the region you want


I look for data income per person for Indonesia


And the data show about income per person in Indonesia per year is 10.5 GDP/capita in $/ year in 2015.

The conclusion is with this tools we can see many things that we can look about data visualization in this world. Even this site rarely update the information like now, we can only see data for 2015 and the past.  

Source : 
1.https://en.wikipedia.org/wiki/Data_visualization
              2.http://www.gapminder.org/tools/#_locale_id=en;&state_marker_size_which=children/_per/_woman/_total/_fertility&domainMin:null&domainMax:null;;;&chart-type=bubbles












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