School Ranking Analysis

This is in continuation to my previous blog (Are school Rankings biased). In this blog I have analyzed various categories of schools viz. International vs. Non-International, Residential vs. Day cum Boarding vs. Day schools. The source of data is the schools ranking published by Education World in the year 2014. I processed the raw data on schools…

Are the school rankings biased?

Every year parents wait eagerly for the schools ranks to be published in leading dailies to get an idea about the top schools for their child’s admission. These ranking are based on survey of the reputed schools which wish to participate and let themselves evaluated on various parameters. But do the rankings and scores of…

Dynamic co-occurrence network of authors and their co-authors

Co-Occurrence Networks are undirected networks that make connection between the entities of the same type. Given below is a dynamic co- occurrence network of Katy and her co-authors. Records with Katy Borner as a author were downloaded from the NSF database at  http://sdb.cns.iu.edu. The .csv file was uploaded into Sci2 tool and Co-Occurrence network was…

Key Diagnostic Metrics

Once we have the model we should evaluate its performance and tune it to improve its performance. If a data mining model is bad, it’s usually pretty easy to identify from the features, the validation procedure, or the goodness metrics. With diagnostic metrics, there are different measures, different metrics for different methods. First we will…