A data analyst's job is to take that data and use it to help companies make better business decisions.
Data Analysis is the art of collecting and analyzing data so that a company or companies can use said data to perfect their marketing, insurance, political and/or business practices.
The data analyst is a highly trained professional who performs the analysis, running various mathematical calculations to determine how the data samples might best be applied to profit the business.
Data analyst evaluates risk; culling statistical information to determine whether a company is accidentally harming itself.
A data analyst transforms the data found inside of an organization into new information critical to business decisions.
A data analyst also analyze the request of the client and convert the raw data into specified format.
A data analyst also fills the data into different formats for a better understanding and convenient of the end user.