5,913 research outputs found
Topological conjugations are not constructable
We construct two computable topologically conjugate functions for which no
conjugacy is computable, or even hyperarithmetic, resolving an open question of
Kennedy and Stockman.Comment: 9 pages. v2 adds a note on folklor
An autoregressive approach to house price modeling
A statistical model for predicting individual house prices and constructing a
house price index is proposed utilizing information regarding sale price, time
of sale and location (ZIP code). This model is composed of a fixed time effect
and a random ZIP (postal) code effect combined with an autoregressive
component. The former two components are applied to all home sales, while the
latter is applied only to homes sold repeatedly. The time effect can be
converted into a house price index. To evaluate the proposed model and the
resulting index, single-family home sales for twenty US metropolitan areas from
July 1985 through September 2004 are analyzed. The model is shown to have
better predictive abilities than the benchmark S&P/Case--Shiller model, which
is a repeat sales model, and a conventional mixed effects model. Finally, Los
Angeles, CA, is used to illustrate a historical housing market downturn.Comment: Published in at http://dx.doi.org/10.1214/10-AOAS380 the Annals of
Applied Statistics (http://www.imstat.org/aoas/) by the Institute of
Mathematical Statistics (http://www.imstat.org
Role of the learning disabilities specialist at the senior high level especially concerning the relationship with the regular classroom teacher.
This research paper attempted to investigate the role of learning disabilities resource teachers on the secondary level especially as it related to an involvement in and with the regular classroom curriculum and teacher
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