Data gathering is an important process in any business. To ensure that the gathered data will be useful for an organisation it should be in pristine condition. Making decisions based on dirty data can be detrimental to the company.
Now what is dirty data anyway? Putting it simply, data that is duplicated, inaccurate, incomplete or flawed in any way is exactly what dirty data is. Therefore it is essential that quality control is applied in the process of data gathering.