Download e-book for kindle: Core Concepts in Data Analysis: Summarization, Correlation by Boris Mirkin

By Boris Mirkin

Middle options in facts research: Summarization, Correlation and Visualization presents in-depth descriptions of these info research techniques that both summarize info (principal part research and clustering, together with hierarchical and community clustering) or correlate assorted points of information (decision timber, linear ideas, neuron networks, and Bayes rule).

Boris Mirkin takes an unconventional method and introduces the concept that of multivariate info summarization as a counterpart to standard computing device studying prediction schemes, using suggestions from statistics, info research, facts mining, computing device studying, computational intelligence, and knowledge retrieval.

Innovations following from his in-depth research of the versions underlying summarization thoughts are brought, and utilized to hard concerns reminiscent of the variety of clusters, combined scale facts standardization, interpretation of the recommendations, in addition to relatives among probably unrelated techniques: goodness-of-fit features for class timber and information standardization, spectral clustering and additive clustering, correlation and visualization of contingency information.

The mathematical element is encapsulated within the so-called “formulation” components, while so much fabric is brought via “presentation” elements that specify the equipment by means of employing them to small real-world facts units; concise “computation” elements tell of the algorithmic and coding issues.

Four layers of lively studying and self-study routines are supplied: labored examples, case reports, tasks and questions.

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Extra resources for Core Concepts in Data Analysis: Summarization, Correlation and Visualization (Undergraduate Topics in Computer Science)

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The main assumption for studying the evolution is that each two organisms share a common ancestry. The more similar their protein sequences are the more recent was their common ancestor. The likelihood of the event of amino acid i substituted by amino acid j is estimated by using blocks of evolutionarily related protein sequences from various databases. edu/education/courses/introtobio (accessed 8 December 2009) 1-letter 3-letter Protein residue Codons A B C D E F G H I K L M N P Q R S T V W X Y Z ∗ Ala Asp, Asn Cys Asp Glu Phe Gly His Ile Lys Leu Met Asn Pro Gln Arg Ser Thr Val Trp Xaa Tyr Glu, Gln STOP Alanine Asp.

A. 3. 2 Probabilistic Statistics Perspective In classical mathematical statistics, a set of numbers X = {x1 , x2 , . . , xN } is usually considered a random sample from a population defined by probabilistic distribution with density f(x), in which each element xi is sampled independently from the others. This involves an assumption that each observation xi is modeled by the distribution f(xi ) so that the mean’s model is the average of distributions f(xi ). The population analogues to the mean and variance are defined over function f(x) so that the mean, median and the midrange are unbiased estimates of the population mean.

4 The Fuller Projection, or Dymaxion Map, displays spherical data on a flat surface of a polyhedron using a low-distortion transformation. Landmasses are presented with no interruption 24 Fig. 5 A conformal map: the angle between any two lines on the sphere is the same between their projected counterparts on the map; in particular, each parallel crosses meridians at right angles; and also, the sizes at any point are the same in all directions Fig. 6 The Table Lens machine: highlighting a fragment by disproportionally enlarging it (see Card et al.

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