Data Types in R take on an interesting twist in contrast to other traditional programming languages like Java and C. In R, the variables are not “declared” with any data type, the variables are assigned some values and the values itself will determine the data type of the variable....
Business Intelligence
Easy web access log processing with R
I recently had a need to diagnose a problem in my web site, so I wanted to do some analysis of the raw access log file. There are many out-of-the-box analytical utility available but none of them allows me to drill down to the access pattern in more details....
R in the web – with Shiny App
How do you host R application on the internet? One of the available service is from shinyapps.io. This is a hosting service that allows you to deploy your R application to the server, and shared them on your web pages. It was really easy to setup. I used RStudio to develop...
Graphing with R 101
What is R? R is programming language and execution platform for statistical computing and graphics. It is known to be the successor for the S language, which was developed at Bell Laboratory. It focuses on a wide variety of statistical and graphical techniques, including linear and nonlinear modelling, time...
Qlikview Development Life Cycle
Qlikview platform provides a complete end-to-end solution consist of data source connectors, desktop development software, and back-end server infrastructure. A typical development flow starts with identifying a data source, usually a data warehouse, database, or even an excel spreadsheet. Business analyst will define the use cases for the...