exploratory design
41Principal component analysis — PCA of a multivariate Gaussian distribution centered at (1,3) with a standard deviation of 3 in roughly the (0.878, 0.478) direction and of 1 in the orthogonal direction. The vectors shown are the eigenvectors of the covariance matrix scaled by… …
42Ohio River Bridges Project — The Ohio River Bridges Project is a controversial Louisville metropolitan area transportation project involving the reconstruction of the Kennedy Interchange (locally known as Spaghetti Junction ), the completion of two new Ohio River bridges and …
43Multiple comparisons — In statistics, the multiple comparisons or multiple testing problem occurs when one considers a set of statistical inferences simultaneously.[1] Errors in inference, including confidence intervals that fail to include their corresponding… …
44Powered exoskeleton — The exhibit future soldier , designed by the US Army A powered exoskeleton, also known as powered armor, or exoframe, is a powered mobile machine consisting primarily of an exoskeleton like framework worn by a person and a power supply that… …
45Artificial intelligence — AI redirects here. For other uses, see Ai. For other uses, see Artificial intelligence (disambiguation). TOPIO, a humanoid robot, played table tennis at Tokyo International Robot Exhibition (IREX) 2009.[1] Artificial intelligence ( …
46Case study — This article is about the method of doing research. For the teaching method, see Case method. For the method of teaching law, see Casebook method. A case study is an intensive analysis of an individual unit (e.g., a person, group, or event)… …
47National Liberation Army (Colombia) — For other uses, see National Liberation Army (disambiguation). National Liberation Army (Spanish) Ejército de Liberación Nacional Participant in the Colombian armed conflict …
48Human Computer Information Retrieval — The fields of human computer interaction (HCI) and information retrieval (IR) have both developed innovative techniques to address the challenge of navigating the complex information spaces, but their insights have to date often failed to cross… …
49European exploration — Introduction the exploration of regions of the Earth for scientific, commercial, religious, military, and other purposes by Europeans beginning in the 15th century. The motives that spur human beings to examine their environment are… …
50Cognitive models of information retrieval — rest on the mix of areas such as cognitive science, human computer interaction, information retrieval, and library science. They describe the relationship between a person s cognitive model of the information sought and the organization of this… …
