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Regression Models and Life-Tables

Summary The analysis of censored failure times is considered. It is assumed that on each individual are available values of one or more explanatory variables. The hazard functio...

1972 Journal of the Royal Statistical Soci... 38454 citations

The Strength of Weak Ties

Analysis of social networks is suggested as a tool for linking micro and macro levels of sociological theory. The procedure is illustrated by elaboration of the macro implicatio...

1973 American Journal of Sociology 37407 citations