Transformation Statistic Document For Free

Data transformation is the process of converting data from one format, such as a database file, XML document or Excel spreadsheet, into another. Transformations typically involve converting a raw data source into a cleansed, validated and ready-to-use format.

Constructive: The data transformation process adds, copies, or replicates data. Destructive: The system deletes fields or records. Aesthetic: The transformation standardizes the data to meet requirements or parameters. Structural: The database is reorganized by renaming, moving, or combining columns.

This could involve giving clear and meaningful names to your files or reports, using version control or backup systems to track changes and history, grouping files or reports by project, topic, or date, linking files or reports with the data or code they document, and adding comments or notes to indicate the status of ...

The transformation is usually applied to a collection of comparable measurements. For example, if we are working with data on peoples' incomes in some currency unit, it would be common to transform each person's income value by the logarithm function.

In data analysis transformation is the replacement of a variable by a function of that variable: for example, replacing a variable x by the square root of x or the logarithm of x. In a stronger sense, a transformation is a replacement that changes the shape of a distribution or relationship.

Data is transformed to make it better organized. Transformed data may be easier for both humans and computers to use. Properly formatted and validated data improves data quality and protects applications from potential landmines such as null values, unexpected duplicates, incorrect indexing, and incompatible formats.

What is data transformation? As the term implies, data transformation means taking data stored in one format and converting it to another. As a computer end-user, you probably perform basic data transformations on a routine basis. When you convert a Microsoft Word file to a PDF, for example, you are transforming data.