lazar depends on a couple of external programs and libraries. All required libraries will be installed with the gem install lazar command. If any of the dependencies fails to install, please check if all required development packages are installed from your operating systems package manager.
JAQPOT QUATTRO User Interface Tutorial - Nano-QSAR Modelling infrastructure, a tutorial onm How to use the JaqPot Quattro User Interface to create and validate NanoQSAR models.