Normalization

Normalization is a process of representing a database in terms of relations in standard normal forms where first normal form is a minimal requirement. In short: It can be defined as the trade off between data redundancy and performance. In this process relations are examined and anomalies are being detected and removed. While normalizing a …

Importance of branching in git hub in project management

Github is a web based git, which is used for hosting and managing the projects or software packages on the web. Previously, I have had one or two posts published in the same category, but at a very basic level more of like an introduction. Now, the purpose of this post is to focus on the …

Using Rperform with popular R packages to analyze their performance

Rperform is a first-of-its-kind package for detailed performance analysis of R packages. In general, Rperform aims to be a standard tool for performance testing R packages and their code. Rperform can be used to plot the performance metrics of a R package.  In this post, I have explained how to use Rperform with different R …

An introduction to R package development and unit testing: Community Bonding Period(GSoC’ 2017)

First of all, this post assumes that you are a linux user and an open source supporter! 😉 This post aims to cover the basics of R package development and testing in R(as the title screams!). The initial step regarding R and its installation is given here . You can visit the same, if required. …

An introduction to BIG DATA in TCC, GNDEC

First of all, it is a very old post which I drafted back in 2013. A lot of things has changed since then, the way I write, the way I think, and many more. So lately, I have decided to publish such drafts(mainly related to my technical learning). Gonna go with this one, because I …

R -statistical computing

R is a programming language and software environment for statistical computing widely used among statisticians and data miners for developing statistical software and data analysis. INSTALLATION OF R ON UBUNTU To obtain the latest package of R,  in your /etc/apt/sources.list file add an entry like: deb https://<my.favorite.cran.mirror>/bin/linux/ubuntu wily/ At  the place of wily you have …

GSoC Mid-Term

To provide DXF support to DR. GEO under GNU is what my Google Summer of code 2014 is all about. On 22nd of april Google summer of code'2014 results got announced. It was around 12:30 am if I remember exactly, my happiness had no limits when I read out the mail sent by google to …

Header Section Implementation

A Drawing Interchange File is simply an ASCII text file with a file type of .dxf. General information about the drawing is found in this section of the DXF file. The HEADER section of a DXF file contains the settings of variables associated with the drawing. Each variable is specified by a 9 group code …

Introduction to DXF

The DXF format is a tagged data representation of all the information contained in an CAD drawing file. Tagged data means that each data element in the file is preceded by an integer number that is called a group code. A group code's value indicates what type of data element follows. This value also indicates …

Installing Oracle java on Ubuntu

For this semester I have got Java as one of the subjects, which means one more language to learn. 🙂 All I get to know in class about java is that its a platform independent language, most of the times used to make web applications, more secure and versatile and portable as well. Its syntax …