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Boik, Robert J. – Psychometrika, 1996
Joint correspondence analysis is a technique for constructing reduced-dimensional representations of pairwise relationships among categorical variables. An alternating least-squares algorithm for conducting joint correspondence analysis is presented that requires fewer iterations than the algorithm previously proposed by M. J. Greenacre. (SLD)
Descriptors: Algorithms, Equations (Mathematics), Factor Analysis, Least Squares Statistics

Saeed, Khalid; Dardzinska, Agnieszka – Journal of the American Society for Information Science and Technology, 2001
Discussion of automatic recognition of hand and machine-written cursive text using the Arabic alphabet focuses on an algorithm for word recognition. Describes results of testing words for recognition without segmentation and considers the algorithms' use for words of different fonts and for processing whole sentences. (Author/LRW)
Descriptors: Algorithms, Arabic, Natural Language Processing, Sentences

Nieto Sanchez, Salvador; Triantaphyllou, Evangelos; Kraft, Donald – Information Processing & Management, 2002
Proposes a new approach for classifying text documents into two disjoint classes. Highlights include a brief overview of document clustering; a data mining approach called the One Clause at a Time (OCAT) algorithm which is based on mathematical logic; vector space model (VSM); and comparing the OCAT to the VSM. (Author/LRW)
Descriptors: Algorithms, Cluster Grouping, Comparative Analysis, Mathematical Logic

Reid, Norman; Yang, Mei-Jung – Research in Science and Technological Education, 2002
Offers a simple classification of problems and seeks to explore the many factors that may be important in the successful solving of problems. Considers the place of procedures and algorithms. Solving open-ended problems is extremely important in education and offering learners experience with this in a group work context is a helpful way forward.…
Descriptors: Algorithms, Chemistry, Problem Solving, Science Education
Reid-Green, Keith S. – 1995
Some of the test questions for the National Council of Architectural Registration Boards deal with the site, including drainage, regrading, and the like. Some questions are most easily scored by examining contours, but others, such as water flow questions, are best scored from a grid in which each element is assigned its average elevation. This…
Descriptors: Algorithms, Architecture, Licensing Examinations (Professions), Test Construction
Blankmeyer, Eric – 1998
P. Rousseeuw and A. Leroy (1987) proposed a very robust alternative to classical estimates of mean vectors and covariance matrices, the Minimum Volume Ellipsoid (MVE). This paper describes the MVE technique and presents a BASIC program to implement it. The MVE is a "high breakdown" estimator, one that can cope with samples in which as…
Descriptors: Algorithms, Chi Square, Estimation (Mathematics), Robustness (Statistics)
Jiang, Hai; Tang, K. Linda – 1998
This discussion of new methods for calibrating item response theory (IRT) models looks into new optimization procedures, such as the Genetic Algorithm (GA) to improve on the use of the Newton-Raphson procedure. The advantages of using a global optimization procedure like GA is that this kind of procedure is not easily affected by local optima and…
Descriptors: Algorithms, Item Response Theory, Mathematical Models, Simulation
Kopstein, Felix F. – Educational Technology, 1974
A brief, general discussion of the application of algorithms to instruction. (HB)
Descriptors: Algorithms, Educational Technology, Instructional Design, Instructional Innovation

Shields, W. S. – Educational and Psychological Measurement, 1974
A procedure for item analysis using distance clustering is described. Items are grouped according to the predominant factors measured, regardless of what they are. The procedure provides an efficient method of treating unanswered items. (Author/RC)
Descriptors: Algorithms, Cluster Grouping, Item Analysis, Models
Fofonoff, N. P.; Millard, R. C., Jr. – 1983
Algorithms for computation of fundamental properties of seawater, based on the practicality salinity scale (PSS-78) and the international equation of state for seawater (EOS-80), are compiled in the present report for implementing and standardizing computer programs for oceanographic data processing. Sample FORTRAN subprograms and tables are given…
Descriptors: Algorithms, Computer Software, Heat, Higher Education

Hunt, Earl – 1985
The widespread availability of computational graphics for personal computers has greatly increased the potential for visual display of research data. The correlation between two variables can be represented graphically by using circles to represent the variance associated with each circle, and by letting the overlap between the circles be…
Descriptors: Algorithms, Analysis of Covariance, Computer Graphics, Correlation
Seaman, Michael A.; And Others – 1989
This Monte Carlo investigation provides some possible solutions to problems related to choosing multiple-comparison methods that maximize true rejections and minimize false ones. It has been argued that the traditional Bonferroni approach to multiple comparisons, which satisfies the statistician's family-wise Type I error concerns, could be…
Descriptors: Algorithms, Comparative Analysis, Error of Measurement, Monte Carlo Methods
Finn, Gregory G. – 1987
This report discusses some of the problems and limitations in existing internetwork design for the connection of packet-switching networks of different technologies and presents an algorithm that has been shown to be suitable for internetworks of unbounded size. Using a new form of address and a flat routing mechanism called Cartesian routing,…
Descriptors: Algorithms, Computer Networks, Computer System Design, Models
Yu, Clement T. – Information Storage and Retrieval, 1974
Heuristic methods for the construction of term classes are presented and experimental results are obtained to illustrate the usefulness of the method. (Author/PF)
Descriptors: Algorithms, Automatic Indexing, Classification, Cluster Grouping
Bichteler, Julie; Parsons, Ronald G. – Information Storage and Retrieval, 1974
An automatic classification technique using patterns formed by citations in document bibliographies was found to give 62 percent precision and 45 percent recall in a sample file of physics documents. (PF)
Descriptors: Algorithms, Automatic Indexing, Bibliographies, Citations (References)