Quantitative Structure Activity Relationship

A Brief Introduction

Posted on February 26, 2015

In the context of elucidating the underlying physicochemical properties of chemical structures of drugs is required for understanding the origin of their biological activity and pharmacological effects. QSAR is used to address these issues in which the biological activities of several compounds are studied using empirical mathematical approaches that seeks... [Read More]

Principal Component Analysis (PCA)

PCA using R Programming Language

Posted on February 20, 2015

Principal component analysis (PCA) is a commonly used multivariate data analysis to reveal hidden and unknown data structures. It seeks to find the linear combination of the predictors that capture the most possible variance (i.e. the PCs). Thus, the first PC or PC1, lies along the direction of maximal data... [Read More]

Pirates arrrr

Posted on January 15, 2015

Piracy is typically an act of robbery or criminal violence at sea. The term can include acts committed on land, in the air, or in other major bodies of water or on a shore. It does not normally include crimes committed against persons traveling on the same vessel as the... [Read More]