Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 1180 for “"regressions"”.
-
Automated discovery of performance regressions in enterprise applications
… degrades compared to prior releases. Performance regressions are unwanted side-effects caused by changes to application or its execution environment. Previous research shows that most problems experienced by customers in the field are related to application performance. To reduce the likelihood of …
-
Robust model selection and outlier detection in linear regressions
… The results of data analysis based on linear regressions are highly sensitive to model choice and the existence of outliers in the data. This thesis aims to help researchers to choose the correct model when their data could be contaminated with outliers, to detect possible outliers in their …
-
Covariate-adjusted ROC regressions and the extensions in trend tests.
In 2008 the faculty and doctoral graduate students within the Department of Statistical Sciences at Baylor University met with statisticians from Eli Lilly and Company to discuss ongoing long-term problems with the possibility that the department would begin collaborative work with the Lilly …
-
Optimisation of Gaussian process regressions of molecular potential energy surfaces
Machine learning methods applied to multi-dimensional surface learning pose some fundamental questions on the importance of the mathematical expression of the feature dimensions of the input space. Moreover, for Gaussian processes which are particularly popular in regression problems, the choice of …
-
Romantic regressions : an analysis of behavior in online dating systems
Online personal advertisements have shed their stigma as matchmakers for the awkward to claim a prominent role in the social lives of millions of people. Web sites for online dating allow users to post lengthy personal ads, including text and photos; search the database of users for potential …
-
Exploring the Use of Social Network Analysis On Physician Networks Created from Medicare Data through Studying the Use of Minimally Invasive Breast Biopsy Among Physicians: Descriptions, Regressions, and Network Models
Social Network Analysis (SNA) has been applied in a variety of scientific fields. In particular, SNA has been utilized with Medicare data to study the structure of physician networks. We utilized SNA to elucidate the structure of physician networks derived from Medicare data, to gain a better …
-
Effects of herd mean and standard deviation on cow indexes for milk , and adjustments of cow indexes for these effects
… of herd mean (µ) and standard deviation (σ), and regressions were compared to expected values. For Holsteins, regressions were greater than expected in herds with average µ or high σ, suggesting that heritability (h²) should be higher for cows in those herds. Heritability estimates agreed with …
-
Firm-specific attributes and the cross-section of equity returns on the Tokyo Stock Exchange
… the likelihood of data snooping. The in-sample regressions are run over the 1 January 1993 to 31 December 2000 time period and out-sample regressions cover 1 January 2001 to 31 December 2004.
-
Mental health courts reduce crime rates.
… Administration data was used in order to run regressions. The regressions showed that rape, assault, motor vehicle theft, and larceny were reduced in counties with mental health courts. This study is one of the first studies to look at the nationwide success of mental health courts.
-
Modelagem matemática do crescimento somático e mortalidade do ouriço-do-mar Cassidulus mitis Krau, 1954 (Echinoidea: Cassidulidae)
… by four different models by means of non-linear regressions (Brody-Bertalanffy, Richards, Gompertz and logistic models), and to estimate the natural mortality of this C. mitis population. The evaluation of the models was accomplished by (1) the analysis of the sum of the square residuals from the …
-
Zinc Uptake in Loblolly Pine Seedlings
… height, or diameter growth. Linear and multiple regressions were derived using residual soil zinc and treatment zinc that can predict zinc concentrations in different plant parts that have r values from .7440 to .8170. Linear regressions for the prediction of zinc concentrations in different …
-
Effects of inbreeding and estimation of genetic progress upon preweaning traits in beef cattle
… Inbreeding effects were linear and quadratic regressions of the traits mentioned on inbreeding of the calf and of the dam, each sex separately, after adjustment for years (using repeat matings) and age of dam (using type and selection lines of all breeds). Breed weaning weight regression …
-
Factors limiting the regeneration of large-seeded hardwoods in the Upper Coastal Plain of South Carolina
… in 12.5% and biomass growth in 16.7% of the regressions. Light availability significantly impacted biomass growth in 8.3% of the regressions. Neither leaf nor stem herbivory frequently affected survival, but one or the other or both significantly influenced the biomass growth of seedlings in …
-
Evaluation of Screening Techniques for Woody Plant Herbicide Development
… their influence on herbicide efficacy. Linear regressions were performed using traditional field screen data as the dependent variable and rapid screening technique data as the independent data. Rapid screens using triclopyr produced more statistically significant regressions compared to those …
-
Impacts of Childbearing on College Success: A Study of Two Generations
Using descriptive statistics and logistic regressions, this study compared U.S. Census data from 22–24-year-old women in 1980 and 2020 to determine the individual and contextual variables most predictive of bachelor’s degree attainment. The regressions were conducted for women overall, women who …
-
Fractional Integration and Political Modeling
… variables in bivariate and multivariate regressions. Fractional differencing is the most appropriate tool to guard against spurious regressions and other threats to inference. Using fractional differencing, multivariate models of British politics are developed in Chapter IV to compare …
-
Impacts of job and organizational satisfaction, and organizational commitment on turnover intention in Thai public sector engineers
… correlation and path analysis through multiple regressions are conducted for the data analysis. The results are: (1) turnover intention is significantly inversely associated with both job and organizational satisfaction, and organizational commitment: (2) path analysis partially supports that …
-
Is Wealth Green? Examining the Relationship Between Wealth and Environmental Conservation
… I test the first national-level hypothesis with regressions of the variables "Gross National Income" and "ecological footprint," and test the second individual-level hypothesis with logistic regressions of the variables "income" and "donation to environmental groups," from both the General Social …
-
Vascular Plant and Vertebrate Species Richness in National Parks of the Eastern United States
… eastern United States to estimate simple linear regressions between plant species richness and vertebrate richness. Because environmental factors in addition to plant species richness influence species diversity, I included simple linear regressions of total park area, park latitude, mean annual …
Page 1 of 59