Horizontal Aggregations in SQL to Prepare Data Sets for Data Mining Analysis
نویسندگان
چکیده
منابع مشابه
Horizontal Aggregations in SQL to Prepare Data Sets for Data Mining Analysis
Data mining is widely used domain for extracting trends or patterns from historical data. However, the databases used by enterprises can’t be directly used for data mining. It does mean that Data sets are to be prepared from real world database to make them suitable for particular data mining operations. However, preparing datasets for analyzing data is tedious task as it involves many aggregat...
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To analyzing the data efficiently in Data mining systems are widely using datasets with columns in horizontal tabular layout. Generally preparing a data set is the more complex task in a data mining project, require many complex SQL queries, aggregating columns and joining tables. Conventional RDBMS usually manage tables with vertical form. Aggregated columns in a horizontal tabular layout retu...
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Anomaly detection has been an important research topic in data mining and machine learning. Many real-world applications such as intrusion or credit card fraud detection require an effective and efficient framework to identify deviated data instances. However, most anomaly detection methods are typically implemented in batch mode, and thus cannot be easily extended to large-scale problems witho...
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Getting ready a data set for examination is usually the tedious errand in a data mining task, needing numerous complex SQL queries, joining tables and conglomerating sections. Existing SQL aggregations have limitations to get ready data sets since they give back one section for every amassed bunch. As a rule, a significant manual exertion is obliged to construct data sets, where a horizontal la...
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A huge amount of time is needed for making the dataset for the data mining analysis because data mining practitioners required to write complex SQL queries and many tables are to be joined to get the aggregated result. The traditional SQL aggregations prepare the data sets in vertical layout that is; they return result on one column per aggregated group. But for the data mining project, the dat...
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ژورنال
عنوان ژورنال: IOSR Journal of Computer Engineering
سال: 2012
ISSN: 2278-8727,2278-0661
DOI: 10.9790/0661-0653641