Text ( visual ) : unmediated Cluster Analysis / Brian S. Everitt ... [et al.]. -- 5th ed. -- : hbk. -- Chichester, West Sussex, U.K. : John Wiley & Sons , 2011. -- xii, 330 p. : ill. ; 24 cm. -- (Wiley series in probability and mathematical statistics ; [848]). -- Includes bibliographical references (p. [289]-320) and index. -- ISBN 9780470749913 ; (BB04560052) ; https://ci.nii.ac.jp/ncid/BB04560052 Author Heading(s): Everitt, Brian. -- Classification(s): LCC : QA278 ; DC22 : 519.5/3. -- Subject Heading(s): LCSH : Cluster analysis ; FREE : MATHEMATICS / Probability & Statistics / Multivariate Analysis bisacsh