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Installing ns-3.37 and ns-3.35 in Ubuntu | Ubuntu 22.04 | NS3

Multiple Versions of ns3 in Ubuntu 22.04 In this post, we are going to install two versions of ns3 namely ns-3.35 and ns-3.37  My OS is : Ubuntu 22.04 LTS (Long Term Support) ns-3.35 uses waf and (./waf --run scratch/first)  ns-3.37 uses cmake  (./ns3 run scratch/first.cc) So we will install both the packages  Go through the video for complete instructions To start with  $ sudo apt update  $ sudo apt install build-essential autoconf automake libxmu-dev g++ python3 python3-dev pkg-config sqlite3 cmake python3-setuptools git qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools gir1.2-goocanvas-2.0 python3-gi python3-gi-cairo python3-pygraphviz gir1.2-gtk-3.0 ipython3 openmpi-bin openmpi-common openmpi-doc libopenmpi-dev autoconf cvs bzr unrar gsl-bin libgsl-dev libgslcblas0 wireshark tcpdump sqlite sqlite3 libsqlite3-dev  libxml2 libxml2-dev libc6-dev libc6-dev-i386 libclang-dev llvm-dev automake python3-pip libxml2 libxml2-dev libboost-all-dev  I have downloaded both the versions of ns3 fr

Basics of R | Lecture 1

Basics of R

Its a software and programming language used for statistical computing and report generation. 
Its Free and open source with GPL Licensing 
It has a GUI to work upon called as RStudio. 

This software can be installed using the following command in  Ubuntu

$] sudo apt update
$] sudo apt install build-essential autoconf automake libxmu-dev
$] sudo apt install r-base rstudio

To open the software, you can use either through the GUI or through terminal using 

$] rstudio

The GUI looks like this 
R Studio
R Studio

Features of R
  • Its based on object oriented design
  • R Commands can be included or embedded with other software or applications or programming languages namely C++. Java and other commercial tools.
  • It supports multiple Operating systems like Windows, Linux, Mac OS, etc.
Advantages of R
  • Good community to help 
  • Works in a interactive way
  • Plotting and graphs are easy to plot using the libraries.
  • New libraries can be easily generated.
  • Its completely modular and object oriented.
See the following screenshot that shows the RStudio Window. We can run the commands in Console window and get the output interactively.

We can write a script directly in the Script window and execute the program using Run Button and other two window namely environment and file window. 
R STudio
R Studio

Disadvantages
R needs more memory, so large datasets can be processed with the maximum available memory in the machine. 

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