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GIS
2008
ACM
15 years 8 months ago
Sparse terrain pyramids
Bintrees based on longest edge bisection and hierarchies of diamonds are popular multiresolution techniques on regularly sampled terrain datasets. In this work, we consider sparse...
Kenneth Weiss, Leila De Floriani
CORR
2010
Springer
105views Education» more  CORR 2010»
15 years 7 months ago
Human Speed-Accuracy Tradeoffs in Search
When foraging for information, users face a tradeoff between the accuracy and value of the acquired information and the time spent collecting it, a problem which also surfaces whe...
Christina Aperjis, Bernardo A. Huberman, Fang Wu
CSDA
2008
102views more  CSDA 2008»
15 years 7 months ago
Confidence intervals for the difference between two means
: Unit nonresponse and item nonresponse in sample surveys are a typical problem of nonresponse which can be handled by weighting adjustment and imputation methods, respectively. Th...
Weiwen Miao, Paul Chiou
CSDA
2008
67views more  CSDA 2008»
15 years 7 months ago
How useful are approximations to mean and variance of the index of dissimilarity?
Sociologists, demographers, and economists often use the index of dissimilarity, D, to describe the extent of racial, ethnic, spatial, or areal dissimilarity (or segregation) of d...
Madhuri S. Mulekar, John C. Knutson, Jyoti A. Cham...
CSDA
2006
84views more  CSDA 2006»
15 years 7 months ago
Robust weighted LAD regression
The least squares linear regression estimator is well-known to be highly sensitive to unusual observations in the data, and as a result many more robust estimators have been propo...
Avi Giloni, Jeffrey S. Simonoff, Bhaskar Sengupta
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