Data transformation is defined as
the process of converting data or information from one format to another.
Usually, the data or information is changed from the original format (The
format of a source system) into the required format of a new destination
system; a format that fits the objectives of the research/study.
I think the order should be 2-1-3-4, but the description of step 1 is confusing. In selection sort, you iterate from the point of the marker down through the entire list and find the smallest value, and swap that with the value at the marker. Then you advance the marker and repeat the process on the remainder of the list.
