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Analyze Download Logs from the CRAN RStudio Mirror
Analyze download logs from the CRAN RStudio mirror (< http://cran.rstudio.com/>). This CRAN mirror is the default one used in RStudio. The available data is the result of parsed and anonymised raw log data from that CRAN mirror.
Dynamic Logging for R Inspired by Configuration Driven Development
A comprehensive and dynamic configuration driven logging package for R. While there are several excellent logging solutions already in the R ecosystem, I always feel constrained in some way by each of them. Every project is designed differently to solve it's domain specific problem, and ultimately the utility of a logging solution is its ability to adapt to this design. This is the raison d'ĂȘtre for 'dyn.log': to provide a modular design, template mechanics and a configuration-based integration model, so that the logger can integrate deeply into your design, even though it knows nothing about it.
A Logging Utility Focus on Clinical Trial Programming Workflows
A utility to facilitate the logging and review of R programs in clinical trial programming workflows.
Parsing Semi-Structured Log Files into Tabular Format
Convert semi-structured log files (such as 'Apache' access.log files) into a tabular format (data.frame) using a standard template system.
Penalized Log-Density Estimation Using Legendre Polynomials
We present a penalized log-density estimation method using Legendre polynomials with lasso penalty to adjust estimate's smoothness. Re-expressing the logarithm of the density estimator via a linear combination of Legendre polynomials, we can estimate parameters by maximizing the penalized log-likelihood function. Besides, we proposed an implementation strategy that builds on the coordinate decent algorithm, together with the Bayesian information criterion (BIC).
Fit Log-Ratio Lasso Regression for Compositional Data
Log-ratio Lasso regression for continuous, binary, and survival outcomes with compositional features. See Fei and others (2023)
Relative Risk Regression Using the Log-Binomial Model
Methods for fitting log-link GLMs and GAMs to binomial data, including EM-type algorithms with more stable convergence properties than standard methods.
Odd Log-Logistic Generalized Gamma Probability Distribution
Density, distribution function, quantile function and random generation for the Odd Log-Logistic Generalized Gamma proposed in Prataviera, F. et al (2017)
Fits the Bayesian Piecewise Linear Log-Hazard Model
Contains posterior samplers for the Bayesian piecewise linear log-hazard and piecewise exponential hazard models, including Cox models. Posterior mean restricted survival times are also computed for non-Cox an Cox models with only treatment indicators. The ApproxMean() function can be used to estimate restricted posterior mean survival times given a vector of patient covariates in the Cox model. Functions included to return the posterior mean hazard and survival functions for the piecewise exponential and piecewise linear log-hazard models. Chapple, AG, Peak, T, Hemal, A (2020). Under Revision.
Ordinal Outcomes: Generalized Linear Models with the Log Link
An implementation of the Log Cumulative Probability Model (LCPM) and Proportional Probability Model (PPM) for which the Maximum Likelihood Estimates are determined using constrained optimization. This implementation accounts for the implicit constraints on the parameter space. Other features such as standard errors, z tests and p-values use standard methods adapted from the results based on constrained optimization.