Algorithm
This post is about algorithms. Greedy algorithms are those where on each stage you make the best choice, and may not get the optimal solution but you may get a good one. Algorithms by Function Types of algorithms featured on…
Least squares
Least squares is an estimation technique. It is the basis for linear regression. Least squares types: Ordinary least squares (OLS) formula is: $$\hat{beta} = (X^T \, X)^{-1} \, X^T y$$ The Gram matrix is \(X^T \, X\). For OLS to…
IT Security Models
This post features abstract IT security models. List of IT Security Models IT security models featured on this post: Belle-LaPadula Belle-LaPadula focuses on confidentiality. Biba Biba model focuses on integrity rather than confidentiality. Clark-Wilson Model Graham-Denim Model HRU Model Harrison-Ruzzo-Ullman…
IT Governance Frameworks
This post is about IT governance frameworks. An IT governance and management frameworks relies on an EA architecture. You can read this post about EA architecture frameworks. List of IT Governance Frameworks IT Governance Frameworks feature: ISO/IEC 38500 ISO/IEC 38500…
COBIT
COBIT is an acronym for Control Objectives for Information and related Technology. It is developed by ISACA. COBIT is a framework for IT management and governance, and it can be considered more specifically an enterprise governance for IT (EGIT). COBIT…
Point estimation in inferential statistics
This post is an introduction to point estimation in inferential statistics. A point estimate is a single calculated value used to estimate a population parameter. List of point estimates Point estimates in inferential statistics: Mean in inferential statistics The population…
VPN Services
A VPN service offers a public virtual private network (VPN), usually under a fee. VPN services are used to be able to surf the internet without servers being able to track you original IP or region. List of VPN Services…
Distributed Communication Protocols and Frameworks
This post is about distributed communication protocols and frameworks. These frameworks or protocols can be used an API or an Interface Definition Language (IDL), but they are broader terms. List of Distributed Communication Protocols and Frameworks Distributed communication and frameworks…
Matplotlib
Matplotlib is a Python library to plot graphics. In coding, it usually uses the short name “plt” by convention. Compared to other Python graphics libraries like, it is quite low level. Tutorial Matplotlib Quickstart [online]. Available at: Pyplot tutorial…
Web Analytics Tools
This post features web analytic tools. A heatmap is a data visualization tool that helps businesses understand how particular pages on their website are performing. List of Web Analytics Tools List of web analytics tools featured on this post: Google…