Power of Data: What is Data Analysis?

Data analysis is the process of manipulating data with a set of software tools and techniques to extract valuable information. This information can be used to answer a specific question, uncover hidden relationships within the data, or even predict future events.

Data analysts, like detectives, meticulously examine their data to identify what information can be gleaned and how to utilize it for the ongoing investigation.

Data Analysis Process

Data analysis is a powerful tool that empowers decision-makers across all fields — agricultural, industrial, service, and entertainment — by granting them deeper insights and enabling them to make wiser, data-driven decisions.

Let’s illustrate the power of data analysis with a real-world examples:

1. Answer a Question: Imagine we want to investigate if there’s a link between smoking and the severity of COVID-19 symptoms. Data analysts would gather information on COVID-19 patients, including their smoking status. Through appropriate analysis tools, they can identify any potential relationship between these factors. This type of analysis is called descriptive analysis.
2. Predicting the Future: Data analysis can forecast future events, like weather. By training machine learning models on historical weather data, analysts can predict the weather for the coming days with…