The Electronic Protocol Book Table of contents BioToolKit 300 Download Trials
     An electronic protocol book with 500 protocols and 100 recipes. A great quick and practical reference for bench scientists as well as for new students.   Get A Copy      A collection of tools frequently used by bench biomedical scientists, ranging from centrifugation force conversion, molecular weight, OD, recipe calculators, to clinical calculators. Include all Primo 3.4, Abie 3.0, Heatmap Viewer, MicroHelper, Godlist Manager, label printing, and grade book.   More info

Molecular Biology Glossary  A-Z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Hierarchical clustering

Hierarchical clusteringHierarchical clustering is a commonly used statistical tool for exploring relationships in statistical data. It clusters data based on a user defined measure called "distance". "Similarities", "correlation", are sometimes used in place of "distances", because users' definition of "distance" is related to "similarities" or "correlation". There are a large number of variants of hierarchical clustering. The differences are in the way distances are defined and computations (e.g., average-linkage, top-down) are implemented.
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