Splitting a Predictor at the Upper Quarter or Third and the Lower Quarter or Third

Splitting a predictor at the upper quarter or third and the lower quarter or third

A linear regression of y on x can be approximated by a simple difference: the average values of y corresponding to the highest quarter or third of x, minus the average values of y corresponding to the lowest quarter or third of x. A simple theoretical analysis shows this comparison performs reasonably well, with 80%–90% efficiency compared to the linear regression if the predictor is uniformly ...

Third Quarter 1998

s may be submitted for plenary as well as concurrent sessions. Anyone interested in organising a session should propose topics, objectives, possible speakers to the Programme Chairman well in advance of the deadline for submission of abstracts. Abstracts should be between 300 and 500 words, giving an overview of the topic to be covered. Full details, including the title of the paper, name of th...

997 Third Quarter Results

• Net income was Ps. 1.903 billion (including monetary gains of Ps. 1.039 billion), or US$245 million, during the third quarter of 1997. Net income for the third quarter of 1996 was Ps. 1.308 billion (including monetary gains of Ps. 1.843 billion), or US$158 million. Net income per ADR (ratio 2:1) was Ps. 3.08 (US$0.40) based on an average of 1,234,179,807 shares outstanding during the quarter ...

Gemalto third quarter 2016 revenue

Indiana Exports, Third Quarter 2000

Indiana exports reached $3.98 billion in the third quarter of 2000. That represents a 14.8% increase when compared to the third quarter of 1999. Over the first three quarters of 2000 Indiana exports totaled $12.3 billion, about $2 billion more than sales during the same period in 1999. If this pace continues in the final quarter, Indiana exports would exceed $16 billion for the year — the highe...