Latent semantic analysis: five methodological recommendations

N Evangelopoulos, X Zhang… - European Journal of …, 2012 - Taylor & Francis
The recent influx in generation, storage, and availability of textual data presents researchers
with the challenge of developing suitable methods for their analysis. Latent Semantic …

Separation in logistic regression: causes, consequences, and control

MA Mansournia, A Geroldinger… - American journal of …, 2018 - academic.oup.com
Separation is encountered in regression models with a discrete outcome (such as logistic
regression) where the covariates perfectly predict the outcome. It is most frequent under the …

[图书][B] The Sage encyclopedia of social science research methods

M Lewis-Beck, AE Bryman, TF Liao - 2003 - books.google.com
" This defining work will be valuable to readers and researchers in social sciences and
humanities at all academic levels. As a teaching resource it will be useful to instructors and …

Automatically improving accuracy for floating point expressions

P Panchekha, A Sanchez-Stern, JR Wilcox… - Acm Sigplan …, 2015 - dl.acm.org
Scientific and engineering applications depend on floating point arithmetic to approximate
real arithmetic. This approximation introduces rounding error, which can accumulate to …

Genetic optimization using derivatives: the rgenoud package for R

WR Mebane Jr, JS Sekhon - Journal of Statistical Software, 2011 - jstatsoft.org
genoud is an R function that combines evolutionary algorithm methods with a derivative-
based (quasi-Newton) method to solve difficult optimization problems. genoud may also be …

Factors that influence police conceptualizations of girls involved in prostitution in six US cities: Child sexual exploitation victims or delinquents?

S Halter - Child maltreatment, 2010 - journals.sagepub.com
This study examined how the police conceptualize juveniles involved in prostitution as
victims of child sexual exploitation (CSE) or delinquents. Case files from six police agencies …

The role of customer investor involvement in crowdfunding success

PB Cornelius, B Gokpinar - Management Science, 2020 - pubsonline.informs.org
Entrepreneurs increasingly use reward-based crowdfunding to finance innovation projects
through a large number of customer investments. The existing academic literature has …

On the accuracy of statistical procedures in Microsoft Excel 2007

BD McCullough, DA Heiser - Computational Statistics & Data Analysis, 2008 - Elsevier
Excel 2007, like its predecessors, fails a standard set of intermediate-level accuracy tests in
three areas: statistical distributions, random number generation, and estimation. Additional …

Finding root causes of floating point error

A Sanchez-Stern, P Panchekha, S Lerner… - Proceedings of the 39th …, 2018 - dl.acm.org
Floating-point arithmetic plays a central role in science, engineering, and finance by
enabling developers to approximate real arithmetic. To address numerical issues in large …

The social context of HIV prevention and care among black men who have sex with men in three US cities: the neighborhoods and networks (N2) cohort study

DT Duncan, DMA Hickson, WC Goedel… - International Journal of …, 2019 - mdpi.com
Background: In many parts of the world, stark racial disparities in human immunodeficiency
virus (HIV) prevalence, incidence, prevention, and care outcomes persist among gay …