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Algorithms for Data Science : Lecture 4 Barna Saha

We have seen the Chernoff+Union bound in action in the previous section when we analyzed the outcome of reservoir sampling for items in [1, 100] over m iterations. There the bad event Badi represents the event that item i is not sampled in the range m 100 ± m 200 . Using the Chernoff bound, for each i Pr[Badi] is minuscule. Therefore, the probability that at least one of the bad event happens w...

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ALT: Another Likelihood Tool

Although there are many phylogenetic reconstruc-tion tools available [1][4], their purpose is in generalto solve specific problems or to apply a limited num-ber of evolution models.We present a new program, ALT — AnotherLikelihood Tool, which implements Felsenstein’smaximum likelihood algorithm [2][3] two importantcharacteristics: it is written in a highly modular<lb...

ALT text and basic accessibility

Recent surveys have shown that the majority of websites are not accessible. Despite legal obligations and the importance of the internet for disabled people, most websites fail to reach a basic level of accessibility, yet web developers are not short of accessibility guidelines and recommendations. This preliminary study consists of a meta-review of web accessibility studies in order to identif...