Utilizing Zero-Width Assertions with grep

Estimating Logistic Regression Coefficents From Scratch in Python

Assessing goodness-of-fit in Python with Scipy

Kernel Density Estimation in Python

Expectation maximization from scratch in R

Correcting the bias in estimators of population variance

Derivation of the Normal Equations via Least Squares and Maximum Likelihood

Assessing the quality of fit for logistic regression models

Creating R Packages with devtools and roxygen

Updating sample mean and variance to account for new observations without full recalculation

Derivation of the Poisson Distribution as a Limiting Case of the Binomial PDF

Smoothed Empirical Percentile Matching with Python implementation

Four Approaches to Loss Triangle Creation in R

Polynomial interpolation via Newton's divided differences

A simple, effective PDF harvester in Python

Computing the product of a variable number of columns using data.table

Creating runoff triangles in R

Data aggregation with data.table

Using the Freedman-Diaconis Rule to determine optimal histogram bin width

Finding logLikelihood estimates using optim in R

Finding roots of equations in R with uniroot

Using parameterized decorators in Python with applications

Performing rolling joins with data.table

Querying SQL Server from R on Windows

Querying SQL server with Pandas