When the manufacturing sector plays a significant role in economic development, the demand for statistical data can only increase. Manufacturing data obtained from the annual Indonesian manufacturing survey from 1990 to 2010 cannot be used directly for analysis purposes due to data quality...

The purpose of this document is to outline the steps in the process of preparing data for analysis after data entry is complete. Examples of commands are given for both SPSS – version 19 – and Stata – version 11. These steps are a culmination of two decades of working with agricultural...

Open-ended questions can be a nightmare for statistical processing. Any mistake in spelling can result in a mismatch during merging, or multiple counting of the same object. For example, the answers to the "place-of-birth" question might be "Chicago" and "San Francisco", but in practice they are...