Implementation of Data Mining Clustering Using the K-Means Method in Grouping Library Books
Keywords:
K-Means, Clustering, Davies Bouldin, Rapid minerAbstract
The K-Means algorithm is an iterative grouping algorithm in partitioning the data set into a number
of clusters that have been set at the beginning. The formulation of the problem in this study is how to apply Data
Mining with the K-Means clustering algorithm to find solutions in adding types of reading books that students
are interested in. The application of the K-Means Algorithm aims to assist the librarian in classifying the data on
borrowing books that students really like or are interested in. In the k-means algorithm, it can analyze more
deeply by processing book lending transaction data with results that explain various information - information
about the distribution of the intensity of borrowing a book so that the information from the processing results
can help the library to determine the addition of a collection of books that are right on target. which is then
processed using Rapid Miner. This provides benefits for the Politeknik Negeri Balikpapan Library in the plan to
increase the collection of reading books in the library. The final results of the research are 107 book titles with a
borrowing frequency of 231 times in the period 2019-June 2022. The test is carried out by finding the smallest
value of the Davies Bouldin Index (DBI) where after the data is processed it is known that the smallest value is
0.407 with a total of 3 clusters. It was concluded that scores with the Highest, Medium and Low Clusters were
obtained in the grouping of library books, namely the Highest Cluster with the number of book data being 2
titles, namely Teknologi Beton, teori dan Praktik Hotel Front Office. These two types of books are the most
borrowed so that they can be recommended to be proposed in the procurement of library book collections.
Medium cluster with 23 book titles and low cluster with 82 book titles.
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