Outliers and multi-collinearity often have large influence in the model/variable selection process in linear regression analysis. To investigate this combined problem of multi-collinearity and outliers, we studied and compared Liu-type S (liuS-estimators) and Liu-type Least Trimmed Squares (liuLTS) estimators as robust model selection criteria. Therefore, the main goal this study is to select s...

In Aplysia, repeated trials of aversive stimuli produce long-term sensitization (LTS) of defensive reflexes and suppression of feeding. Whereas the cellular underpinnings of LTS have been characterized, the mechanisms of feeding suppression remained unknown. Here, we report that LTS training induced a long-term decrease in the excitability of B51 (a decision-making neuron in the feeding circuit...

The least trimmed squares estimator and the minimum covariance determinant estimator [5] are frequently used robust estimators of regression and of location and scatter. Consistency factors can be computed for both methods to make the estimators consistent at the normal model. However, for small data sets these factors do not make the estimator unbiased. Based on simulation studies we therefore...

OBJECTIVE To describe a new simulator, SurgicalSIM LTS, and summarize our preliminary experience with system. METHODS LTS was evaluated in 3 studies: (1) 124 participants from 3 Canadian universities: 13 students; 30 residents, fellows, attendings from surgery; 59 gynecologists; 22 urologists were classified based on laparoscopic experience as novice, intermediate, competent, or expert. All w...

Since the Great East Japan Earthquake, many survivors have experienced psychological crises because of the immense damage in the coastal area of Iwate Prefecture. Mental care teams started activities in March 2011 along the coast of Iwate. We employed a mid- to long-term care model. In February 2012, we set up the Iwate Mental Care Center and built a long-term support system in Iwate Prefecture.

BACKGROUND This study aimed to evaluate the quality of life (QOL) in long-term survivors of high-grade osteosarcoma. PATIENTS AND METHODS The QOL of 33 long-term survivors of osteosarcoma was evaluated using the Short Form 36 (SF-36) Health Survey Questionnaire. The patients were divided into a limb-sparing group (14 patients) and an amputation group (19 patients), and the QOL was compared be...

This paper presents a multi-period optimization model for high margin and zero salvage products in online distribution channels with classifying customers based on number of products required. Taking hotel customers as an example, one is regular customers who reserve rooms for one day, and the other is long term stay (LTS) customers who reserve rooms for a number of days. LTS may guarantee a sp...

The least median of squares (LMS) regression method (Rousseeuw 1984) is highly robust to outliers in the data. It can be computed by means of PROGRESS (from Program for RObust reGRESSion) described in (Rousseeuw and Leroy 1987). After ten years we have developed a new version of PROGRESS, which also computes the least trimmed squares (LTS) method. We will discuss the various new features of PRO...

during thermal annealing experiments F. Kail, J. Farjas, P. Roura, C. Secouard, O. Nos, J. Bertomeu, F. Alzina, and P. Roca i Cabarrocas Department of Physics, GRMT, University of Girona, Montilivi Campus, E17071 Girona, Catalonia, Spain LTS, CEA Grenoble, 17 rue des Martyrs, 38054 Grenoble Cedex, France Dept. Fisica Aplicada and Optica, University of Barcelona, E-08028 Barcelona, Spain Institu...

While outcome research in lung cancer has focused mainly on short-term survival and quality of life (QoL), information on long-term (ie, > 5 years postdiagnosis) lung cancer survivorship remains limited. This review addresses the epidemiologic significance of long-term lung cancer (LTLC) survivors, summarizes the current knowledge on their health and QoL, and suggests areas for further research...