A data analyst is a professional who is responsible for collecting, processing, and performing statistical analyses on large sets of data. They use various techniques to identify patterns and trends in data, which can be used to inform business decisions and strategies.
Data analysts are proficient in programming languages like Python and R and have expertise in using data analysis tools such as SQL, Excel, and Tableau. They work with data from various sources such as customer transactions, web traffic, and social media interactions, among others.
Their main responsibilities include identifying data trends, generating reports, creating data visualizations, and developing data-driven solutions to business problems. They also collaborate with other professionals like data scientists, software engineers, and business analysts to improve data quality and streamline data processes.
Overall, data analysts play a crucial role in helping organizations make data-driven decisions and achieve their business objectives.