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These data sources include interview transcripts, videos of social interactions, notes, verbal reports [8] and artifacts such as books or works of art. The case study method exemplifies qualitative researchers' preference for depth, detail, and context. [11] [12] Data triangulation is also a strategy used in qualitative research. [13]
C4.5 is an algorithm used to generate a decision tree developed by Ross Quinlan. [1] C4.5 is an extension of Quinlan's earlier ID3 algorithm.The decision trees generated by C4.5 can be used for classification, and for this reason, C4.5 is often referred to as a statistical classifier.
Before data mining algorithms can be used, a target data set must be assembled. As data mining can only uncover patterns actually present in the data, the target data set must be large enough to contain these patterns while remaining concise enough to be mined within an acceptable time limit. A common source for data is a data mart or data ...
Data envelopment analysis (DEA) is a nonparametric method in operations research and economics for the estimation of production frontiers. [1] DEA has been applied in a large range of fields including international banking, economic sustainability, police department operations, and logistical applications [2] [3] [4] Additionally, DEA has been used to assess the performance of natural language ...
Lewis-Beck maintains his status as Professor Emeritus at the University of Iowa since 2010. [2] As of November of 2024, he has over 32,000 citations on Google Scholar and has authored or co-authored over 330 articles and books. [3] [4] Professor Beck's main areas of study are comparative politics, methodology, Western Europe, and the political ...
Ice Cold: Murder, Coffee and Jessica Wongso first features Edi Darmawan and Made Sandy Salihin, the father and twin sister of Wayan Mirna Salihin, who in 2016 allegedly died of cyanide poisoning after drinking a Vietnamese iced coffee at Olivier Cafe, located in Jakarta's Grand Indonesia Shopping Town, despite having aspirations to start a coffee business herself.