6,851 research outputs found
A prototype software framework for transparent, reusable and updatable computational health economic models
Most health economic analyses are undertaken with the aid of computers.
However, the ethical dimensions of implementing health economic models as
software (or computational health economic models (CHEMs)) are poorly
understood. We propose that developers and funders of CHEMs share ethical
responsibilities to (i) establish socially acceptable user requirements and
design specifications; (ii) ensure fitness for purpose; and (iii) support
socially beneficial use. We further propose that a transparent (T), reusable
(R) and updatable (U) CHEM is suggestive of a project team that has largely
fulfilled these responsibilities. We propose six criteria for assessing CHEMs:
(T1) software files are open access; (T2) project team contributions and
judgments are easily identified; (R1) programming practices promote
generalisability and transferability; (R2) licenses restrict only unethical
reuse; (U1) maintenance infrastructure is in place; and (U2) new releases are
systematically retested and appropriately deprecated. To facilitate CHEMs that
meet TRU criteria, we have developed a prototype software framework in the
open-source programming language R. The framework comprises six code libraries
for authoring CHEMs, supplying CHEMs with data and undertaking analyses with
CHEMs. The prototype software framework integrates with services for software
development and research data archiving. We determine that an initial set of
youth mental health CHEMs we developed with the prototype software framework
wholly meet criteria T1-2, R1-2 and U1 and partially meet criterion U2. Our
assessment criteria and prototype software framework can help inform and
improve ethical implementation of CHEMs. Resource barriers to ethical CHEM
practice should be addressed by research funders.Comment: 17 pages, 4 tables, 1 figur
The Research Space: using the career paths of scholars to predict the evolution of the research output of individuals, institutions, and nations
In recent years scholars have built maps of science by connecting the
academic fields that cite each other, are cited together, or that cite a
similar literature. But since scholars cannot always publish in the fields they
cite, or that cite them, these science maps are only rough proxies for the
potential of a scholar, organization, or country, to enter a new academic
field. Here we use a large dataset of scholarly publications disambiguated at
the individual level to create a map of science-or research space-where links
connect pairs of fields based on the probability that an individual has
published in both of them. We find that the research space is a significantly
more accurate predictor of the fields that individuals and organizations will
enter in the future than citation based science maps. At the country level,
however, the research space and citations based science maps are equally
accurate. These findings show that data on career trajectories-the set of
fields that individuals have previously published in-provide more accurate
predictors of future research output for more focalized units-such as
individuals or organizations-than citation based science maps
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Functional interpretation of single cell similarity maps.
We present Vision, a tool for annotating the sources of variation in single cell RNA-seq data in an automated and scalable manner. Vision operates directly on the manifold of cell-cell similarity and employs a flexible annotation approach that can operate either with or without preconceived stratification of the cells into groups or along a continuum. We demonstrate the utility of Vision in several case studies and show that it can derive important sources of cellular variation and link them to experimental meta-data even with relatively homogeneous sets of cells. Vision produces an interactive, low latency and feature rich web-based report that can be easily shared among researchers, thus facilitating data dissemination and collaboration
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