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Articles by Andy Dahl
Grocery shopping in the digital age: hedonic and utilitarian values shaping buy-online, pick-up-in-store intentions
ABSTRACT Grocery retailers rapidly evolved their digital presence and order‑fulfillment processes during the COVID-19 pandemic, introducing contactless shopping options such as buy-online, pick-up-in-store (BOPIS) and curbside pickup to meet changing consumer needs. However, after COVID, many shoppers returned to in-store shopping routines, reducing demand for BOPIS and curbside grocery shopping.
Cell-type-specific eQTLs underlie the genetic architecture of complex traits
Abstract Genetic effects on complex traits primarily act by regulating gene expression; however, this process is not well understood1. Studies of genetic effects on gene expression (expression quantitative trait loci (eQTLs)) can inform as to the gene regulatory layer between genetic variants and complex traits2. However, previous studies have not effectively captured cell-type-specific eQTLs, which are likely to be important for complex traits.
The relationship between genotype- and phenotype-based estimates of genetic liability to psychiatric disorders, in practice and in theory
Keywords genetics family genetic risk scores genetic liability polygenic risk scores psychiatric disorders Get full text access Log in, subscribe or purchase for full access. References 1. Falconer, D.S. Introduction to Quantitative Genetics Prentice Hall, Harlow, 1996 2. Lynch, M. & Walsh, B. (1998) Genetics and Analysis of Quantitative Traits. (Sinauer). 3. Goddard, M.E. ∙ Hayes, B.J. Genomic selection J. Anim. Breed. Genet. 2007; 124:323-330 4. Meuwissen, T. ∙ Hayes, B. ∙ Goddard, M.
Through unity, strength
The Latin term “Per Unitatem Vis” translates to “Through Unity, Strength.” This motto is used by the Texas A&M University Corps of Cadets, signifying the importance of unity and teamwork for achieving strength and success. Over the last year and a half, groups of different stakeholders with the Moose Lake/Willow River Rebels were tasked with defining our “Rebel” mascot. What does it mean to be a Rebel?
Allele frequency impacts the cross-ancestry portability of gene expression prediction in lymphoblastoid cell lines
Keywords gene expression expression quantitative trait loci eQTL portability transcriptome statistical genetics Get full text access Log in, subscribe or purchase for full access. References 1. Visscher, P.M. ∙ Brown, M.A. ∙ McCarthy, M.I. ... Five years of GWAS discovery Am. J. Hum. Genet. 2012; 90:7-24 2. Visscher, P.M. ∙ Wray, N.R. ∙ Zhang, Q. ... 10 years of GWAS discovery: biology, function, and translation Am. J. Hum. Genet. 2017; 101:5-22 3. MacArthur, J. ∙ Bowler, E. ∙ Cerezo, M. ...
A robust model for cell type-specific interindividual variation in single-cell RNA sequencing data - Nature Communications
Abstract Single-cell RNA sequencing (scRNA-seq) has been widely used to characterize cell types based on their average gene expression profiles. However, most studies do not consider cell type-specific variation across donors. Modelling this cell type-specific inter-individual variation could help elucidate cell type-specific biology and inform genes and cell types underlying complex traits.
Rebels golf team takes fourth
The narrow fairways of the Northwood Hills Golf Course in Garrison is surrounded by mature oaks, providing the Rebel boys with a unique challenge at the Great Rivers Conference Golf meet. The 6,132 yard par 72 course plays about 500 yards shorter than most of the courses the Rebels play on. Also playing a factor; heavy rains in the Mille Lacs area recently created a soggy playing surface for the meet.
Rebels boys golf takes first place
MLWR Rebel varsity golf set out to compete in the second Great Rivers Conference meet of the season. The 2 p.m. tee time provided a sunny, warm start that quickly turned into chaotic weather as a strong east wind off of Lake Superior brought heavy rains and hail. The Rebels fought through the inclimate weather for about 40 minutes, then the clouds left and the sun came back out with the strong Lake Superior breeze still intact.
Rebels golf team takes first
The golf season is underway, despite windy, chilly and sometimes wet conditions. Hinckley hosted the eight teams from across the Great River Conference on a cold, windy day. High school golf allows teams to bring up to six players. After the round is over, the top four scorers of the day get added together. The team with the overall lowest score wins the day. The Rebels score of 372 was good enough for first place during the Hinckley meet. Adam Neumann led Rebel scorers shooting a very solid 89.
Rebels golf team lose on final day
The 2023 Rebel Golf Season came to an end this last week in Virginia. The Rebels sent a team of six boys to compete in the Section 7A, two day tournament. Day one is a qualifying day in which the top four teams, and top 20 individuals come back for day two. Competing day one were Adam Neumann (11), Gus Heller (9), Gavin Gamst (9), Chase Klavu (8), Brady Robbins (10) and Jacob Collier (9). Neumann and Heller both finished in the top 20. Finishing right at 20th place were Gavin Gamst and Chase Klavu.
A robust model for cell type-specific interindividual variation in single-cell RNA sequencing data
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Factorizing polygenic epistasis improves prediction and uncovers biological pathways in complex traits
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On Negative Heritability and Negative Estimates of Heritability
The Genetics Society of America (GSA), founded in 1931, is the professional membership organization for scientific researchers and educators in the field of genetics. Our members work to advance knowledge in the basic mechanisms of inheritance, from the molecular to the population level. Online ISSN: 1943-2631
GxEMM: Extending linear mixed models to general gene-environment interactions
GxEMM: Extending linear mixed models to general gene-environment interactions Andy Dahl, Na Cai, Jonathan Flint, Noah Zaitlen bioRxiv 397638; doi: https://doi.org/10.1101/397638
On negative heritability and negative estimates of heritability
On negative heritability and negative estimates of heritability David Steinsaltz, Andy Dahl, Kenneth W. Wachter bioRxiv 232843; doi: https://doi.org/10.1101/232843
Bicyclists of Baltimore
Bringing Baltimore City together through a human powered vehicle -- the bicycle. Bicyclists of Baltimore started out as a social media project to celebrate the diversity of bicyclists in Baltimore City. After experiencing the uprising in Baltimore this past May we wanted to contribute something even greater to the unification of our community.
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