• Mrs. K. MAHALAKSHMI
• Ms. D.VITHYA

Data preprocessing may be a crucial step within the info mainning process. The process of converting data into information is called data processing .after collecting data, the raw data is to be converted into meaningful form, the process of converting data into meaningful form is named processing or data reduction. that involves transforming data into a clear format. Data in the real would in dirty. the various steps involved in data preprocessing.(I)Data cleaning,(II)Data Integration,(III)Data Transformation,(IV)Data Reduction,(V)Data Discretization First the data is collected and the data is pre-processed by removing the duplicate votes, and removing null values.

data preprocessing, datamining, null values

"DATA PRE-PROCESSING ON ELECTION VOTING", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.8, Issue 4, page no.131-134, April-2021, Available :http://www.jetir.org/papers/JETIRER06032.pdf

"DATA PRE-PROCESSING ON ELECTION VOTING", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.8, Issue 4, page no. pp131-134, April-2021, Available at : http://www.jetir.org/papers/JETIRER06032.pdf