Life and Death in the App Store: Theory and Analysis of Feature Migration
نویسندگان
چکیده
In this paper we introduce a feature migration theory and use it to study the migratory behaviour of 1,324 Blackberry features, finding that 68% die, 2% migrate and 30% are intransitive (they neither die nor migrate). Intransitive features have significantly higher prices (p<0.05), and higher popularity, while customers appear to be less sensitive to their price. By contrast, migratory features have lower price, rating and popularity and higher price sensitivity. We also introduce the Category Similarity Graph, based on a similarity metric which may help developers to better prepare for migration, because there is strong linear correlation (rho= 0.62, p<0.001) between two categories' similarity metric and their subsequent propensity for migration.
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