Showing 1 - 10 of 192
Persistent link: https://www.econbiz.de/10005155845
The problem of outlier detection in univariate circular data was the object of increased interest over the last decade … local outlier factor (LOF) is a density-based method for detecting outliers in multivariate data and it depends on the local … existing discordancy tests, while outperforming other tests. The level of the LOF performance is directly related to the …
Persistent link: https://www.econbiz.de/10012600257
The problem of outlier detection in univariate circular data was the object of increased interest over the last decade … local outlier factor (LOF) is a density-based method for detecting outliers in multivariate data and it depends on the local … existing discordancy tests, while outperforming other tests. The level of the LOF performance is directly related to the …
Persistent link: https://www.econbiz.de/10012291632
For effective planning, design, and management of water resources engineering, the probability distribution of annual streamflow is necessary. The method of L-moments is applied to identify the probability distribution type of annual streamflow in different climatic regions of Canada. In the...
Persistent link: https://www.econbiz.de/10010794463
Most of the data available to economists is observational rather than the outcome of natural or quasi experiments. This complicates analysis because it is common for observationally distinct individuals to exhibit similar responses to a given environment and for observationally identical...
Persistent link: https://www.econbiz.de/10011662645
Most of the data available to economists is observational rather than the outcome of natural or quasi experiments. This complicates analysis because it is common for observationally distinct individuals to exhibit similar responses to a given environment and for observationally identical...
Persistent link: https://www.econbiz.de/10011586211
Comparability analyses are performed to investigate similarities/differences of the standard precipitation index (SPI) and the reconnaissance drought index (RDI), respectively, utilizing precipitation and ratio of precipitation over potential evapotranspiration (ET <Subscript>0</Subscript>). Data are from stations...</subscript>
Persistent link: https://www.econbiz.de/10010997564
Conventional measures of the risk of a financial asset make use of the unobserved (conditional) variance or standard deviation of its return. In this paper, we treat the observed absolute return as a measure of risk and explore its forecastability. Two simple models are considered. One is a new...
Persistent link: https://www.econbiz.de/10010536512
Persistent link: https://www.econbiz.de/10009396902
The brain has evolved to enable organisms to survive in a complicated and dynamic world. Its operation is based upon a priori models of the environment which are adapted, during learning, in response to new and changing stimuli. The same qualities that make biological learning mechanisms ideal...
Persistent link: https://www.econbiz.de/10005047310