Data analysis is the process of cleaning, changing, and processing raw data, and extracting actionable, relevant information that helps businesses make informed decisions. Data analysis is the process of cleaning, changing, and processing raw data, and extracting actionable, relevant information that helps businesses make informed decisions.
Ask yourself why you’re doing this analysis, what type of data analysis you want to use, and what data you are planning on analyzing. .
Guided by the requirements you’ve identified, it’s time to collect the data from your sources. Sources include case studies, surveys, interviews, questionnaires, direct observation, and focus groups. Make sure to organize the collected data for analysis.
Not all of the data you collect will be useful, so it’s time to clean it up. This process is where you remove white spaces, duplicate records, and basic errors. Data cleaning is mandatory before sending the information on for analysis.
Here is where you use data analysis software and other tools to help you interpret and understand the data and arrive at conclusions.
Now that you have your results, you need to interpret them and come up with the best courses of action, based on your findings. Data analysis tools include Excel, Python, R, Looker, Rapid Miner, Chartio, Metabase, Redash, and Microsoft Power BI.
Data visualization is a fancy way of saying, “graphically show your information in a way that people can read and understand it.” You can use charts, graphs, maps, bullet points, or a host of other methods. Visualization helps you derive valuable insights by helping you compare datasets and observe relationships.
there are many data analysis methods available, they all fall into one of two primary types:
Qualitative analysis and Quantitative analysis.
· The qualitative data analysis method derives data via words, symbols, pictures, and observations.
· Content Analysis, for analyzing behavioral and verbal data.
· Narrative Analysis, for working with data culled from interviews, diaries, surveys.