Data analysis:
It's the process of checking and checking the data, sweeping it to be more accurate, reshaping it, and storing it as well, so that we finally get and get information on which to make and determine decisions. Data analysis has many different methods, depending on the area used. So we can use data analysis in science and social and financial sciences as well.
Importance of data analysis:
• Know the views of the people in your company and how to talk about them.
Innovation of new corporate solutions and control of weaknesses.
• Focus on strengths and product development for customer satisfaction.
• Conversion of company data into digital data stored by databases.
• Target certain groups of the public interested in the products of your company or enterprise.
• Accurately identify the volume of sales and be able to increase them.
• Controlling financial decisions and reducing costs.
Data analysis languages:
Python and R because they are the appropriate and best-used languages and we treat data analysis smartly and in a lot of ways, but we can also rely on other languages but not very much in my opinion.
Stages of data analysis:
Data compilation
Data are collected from different sources so that female applicants check the initial step. It could be collected by people.
Organization of data
Data distribution starts as tables with rows and columns as in Excel files
Data Check
Checking the data so that the resulting information is not faulty and incorrect. This is done through data review and removal. Misstatements may be incorrect numbers, duplicates, payroll data, but they have alphabetical letters. Faulty data can be disposed of by removing the repeater.
Data analysis methods:
Statistical analysis, or statistical analysis, is done with certain programs and certain orders, such as the popular Excel program.
Descriptive analysis, through which it is possible to search with full protection and logic to describe a particular phenomenon or information.
Qualitative analysis is a branch of analytical chemistry that is commonly used in medicine and chemistry.