Sceloporus jalapae

Number of Pages: 5Integrative BiologyGeological Science

A preliminary report of the visual field with increased concentration

A preliminary report of the visual field with increased concentratio

Promoting Partnerships for Student Success: Lessons from the SSPIRE Initiative

The Student Support Partnership Integrating Resources and Education (SSPIRE) initiative aimed to increase the success of young, low-income, and academically underprepared California community college students by helping colleges strengthen their support services and better integrate these services with academic instruction. This report describes what the nine participating community colleges did to meet the goals of SSPIRE and offers lessons for other institutions drawn from MDRC's research on the initiative

DETECTION POWER OF RANDOM, CASE-CONTROL, AND CASE-PARENT CONTROL DESIGNS FOR ASSOCIATION TESTS AND GENETIC MAPPING OF COMPLEX TRAITS

We compared the relative detection power of random, case-control, and case-parent control (TDT) study designs by computer simulation of five parameters: Mode of inheritance (MOl), magnitude of genetic effect (y ), disease susceptibility allele frequency in the founder population ( P I), population age (t ), and the genetic distance (ᶿ ) between disease susceptibility locus ( D), and marker locus (M). Our results show that none of the three study designs can be claimed to be the most powerful (requiring the smallest sample size) constantly under every different genetic context (parameter combination). Our analysis indicates that both case-parent control and case-control designs have more power than the random sampling design in most genetic contexts. But the relative power between case-parent and case control depends on the specific parameter combinations. Random sampling has more power than case-parent control (although less power than case-control design) under some high genetic effect (Y ) and initial allele frequency (PI) combinations. All the three study designs show the most power under additive models of inheritance and least power under recessive mode of inheritance

Arterial Oxygen Tension in Relation to Age in Hospital Subjects

Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/111097/1/j.1532-5415.1973.tb00840.x.pd

IMPACT OF DATA TRANSFORMATION ON THE PERFORMANCE OF DIFFERENT CLUSTERING METHODS AND CLUSTER NUMBER DETERMINATION STATISTICS FOR ANALYZING GENE EXPRESSION PROFILE DATA

We have assessed the impact of 13 different data transformation methods on the performance of four types of clustering methods (partitioning (K-mean), hierarchical distance (Average Linkage), multivariate normal mixture, and non-parametric kernel density) and four cluster number determination statistics (CNDS) (Pseudo F, Pseudo t2, Cubic Clustering Criterion (CCC), and Bayesian Information Criterion (BIC), using both simulated and real gene expression profile data. We found that Square Root, Cubic Root, and Spacing transformations have mostly positive impacts on the performance of the four types of clustering methods whereas Tukey\u27s Bisquare and Interquantile Range have mostly negative impacts. The impacts from other transformation methods are clustering method-specific and data type-specific. The performance of CNDS improves with appropriately transformed data. Multivariate Mixture Clustering and Kernel Density Clustering perform better than K-mean and Average Linkage in grouping both simulated and real gene expression profile data

Smooth generalized symmetries of quantum field theories

Dynamical quantum field theories (QFTs), such as those in which spacetimes are equipped with a metric and/or a field in the form of a smooth map to a target manifold, can be formulated axiomatically using the language of $\infty$-categories. According to a geometric version of the cobordism hypothesis, such QFTs collectively assemble themselves into objects in an $\infty$-topos of smooth spaces. We show how this allows one to define and study generalized global symmetries of such QFTs. The symmetries are themselves smooth, so the `higher-form' symmetry groups can be endowed with, e.g., a Lie group structure. Among the more surprising general implications for physics are, firstly, that QFTs in spacetime dimension $d$, considered collectively, can have $d$-form symmetries, going beyond the known $(d-1)$-form symmetries of individual QFTs and, secondly, that a global symmetry of a QFT can be anomalous even before we try to gauge it, due to a failure to respect either smoothness (in that a symmetry of an individual QFT does not smoothly extend to QFTs collectively) or locality (in that a symmetry of an unextended QFT does not extend to an extended one). Smoothness anomalies are shown to occur even in 2-state systems in quantum mechanics (here formulated axiomatically by equipping $d=1$ spacetimes with a metric, an orientation, and perhaps some unitarity structure). Locality anomalies are shown to occur even for invertible QFTs defined on $d=1$ spacetimes equipped with an orientation and a smooth map to a target manifold. These correspond in physics to topological actions for a particle moving on the target and the relation to an earlier classification of such actions using invariant differential cohomology is elucidated.Comment: 72 page

Incidencia de obesidad en alumnos de las escuelas de ciencias del deporte, tecnología médica y medicina humana de la universidad Alas Peruanas.

Objetivos. Estimar la incidencia de obesidad en alumnos de 16 a 28 años de edad, que ingresaron a la Universidad Alas Peruanas, en el año 2011.  Método. Se registró el peso y talla del universo de ingresantes a las Escuelas Académico Profesionales de Ciencias del Deporte, Tecnología Médica y Medicina Humana (nº=302). En todos ellos se determinó el Índice de Masa Corporal (IMC) de acuerdo con metodología estándar internacional.  Resultados. Se estudiaron 302 personas, entre 16 y 28 años de edad. 49 personas (16,2%) con Índice de Masa Corporal entre 16k/m2 a 19k/m2. 177 personas (58,6%) con Índice de Masa Corporal entre 20k/m2 a 24k/m2. 58 personas (19,2%) con Índice de Masa Corporal entre 25k/m2 a 29k/m2. 16 personas (5,2%) con Índice de Masa Corporal entre 30k/m2 a 35k/m2 y 02 personas (0,7%) con Índice de Masa Corporal entre 36k/m2 a 40k/m2. Conclusiones. El más alto porcentaje 177 personas (58,6%), se encuentran dentro del peso normal. Le siguen 58 personas (19,2%) con sobrepeso, luego 49 personas (16,2%) en el parámetro de desnutrición, 16 personas (5,2%) con obesidad leve y el más bajo porcentaje 02 personas (0,7%), con obesidad mórbida