(1978). On Facilitating Networks for Social Change ... - INSNA

. . . Computer Programs, cont'dClive Payne, David Deans, J . Clyde MitchellNuffield College, Oxford, EnglandA ComputerPackagefortheAnalysisofSocialNetworksThe aim of the project is to develop a portable computer package for the processing and analysis ofsocial networks . Particular emphasis is placed on the provision of facilities which allow the networkanalyst to input his data in a variety of forms and to do basic matrix and logical operations on thesedata before proceeding to the analysis stage . Comprehensive facilities for manipulation, examination,storage and retrieval of the data are planned . The analysis procedures will include clique detection,hierarchical linkage clustering, block modelling and a variety of graph theoretic measures .The package will have an SPSS-like control language and will be capable of extension to includefurther analytic procedures .A final specification of the package will be available by the end of 1977 . Further details fromClive Payne .Douglas R . White and Lee Sailer575 Social Science Tower, Univ . of California, Irvine, Irvine,California 92717, U .S .A .NETWORKER : An Interactive System in APL for Social Network Analysis and SimulationNETWORKER lets the researcher input multiple relation and node-attribute data from empirical studiesof social networks, perform statistical and algebraic operations to derive and test various models of thestructural properties of the network and its component social positions, and generate via simulationprocess models of the network for comparison with the original data .This paper examines the guiding philosophy of network analysis which underlies the construction ofthe NETWORKER user interface and algorithms, illustrates the applicability of the system to empiricaldatasets, and presents a summary of the operators and computational algorithms programmed to date andplanned for the future .Graph Definition and Analysis Package "GRADAP"The inter-university project group GRADAP consists of J .U . Brouwer, R .J . Mokken, B . Niemoller, H .Schijf, C .J .A . Sprenger, W .H . van Hoboken, F .J .A .M . van Veen, C .J .G . van de Wijgaart (University ofAmsterdam), J . Haan, F .N . Stokman (University of Groningen), A .J .A . Felling and Th .W .C .M . van de Weegen(Catholic University of Nijmegen) .The project group has written a first specification of the package (Specification, 1977) . Itcontains definitions of form, content and functions of the tasks and features of the organized system ofprograms . The project group will revise and extend the specification regularly in order to incorporatenew informatical and methodological elements, to be developed during the course of the project .The objective of the GRADAP project is the development of a graph definition and analysis package :an organized set of programs with a standard data file, providing flexible graph entry possibilities andlarge opportunities for different graph representations, graph management and graph analysis . Thepackage can be used as an appendix of SPSS (Statistical Package for the Social Sciences), enabling theresearcher to transfer results of graph management and -analysis directly to SPSS and to submit SPSSsystemfiles directly to the GRADAP system .