منابع مشابه
Permutation Tests of NELS:88 Missing Data
(make-array (list l1 l1) :initial-element 0)) (ra (mapcar #'(lambda (x y) (mapcar #'(lambda (z w) (setf (aref va x z) (aref smm-1 y w))) missind (iseq (length missind)))) missind (iseq (length missind))))) va)) 22) (list vi smm-1 smo))) (t (cond ((not (not missind)) (list (inverse sig))) (t (list 0 (mapcar #'(lambda (x) (elt x i)) data))))))) (defun impute (params missind presind mu data i) "Ar...
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This study uses the National Educational Longitudinal Survey of 1988 (NELS) to replicate both the analysis in The Bell Curve and that of several of its previous replications. We examine the relative importance of test scores and family background in predicting dropping out of high school, starting college, arrests, and out-of-wedlock fertility. Our results relax several arbitrary assumptions ma...
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Using the National Educational Longitudinal Study data, this paper examines the role of pre-market abilities, as well as other determinants, on young mens self-employment decision. Our results indicate that cognitive and noncognitive abilities are two important, in opposing directions, predictors of selfemployment. We also nd that cognitive and noncognitive abilities di¤er in their malleabili...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1971
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(71)86011-3