Installing Package "sandwich" in R- Software

abhishek.benjamin
Posts: 5
Joined: Thu Jul 24, 2014 9:56 am

Installing Package "sandwich" in R- Software

Postby abhishek.benjamin » Tue Jan 20, 2015 8:20 pm

I downloaded R- Software and its working . However, when I try to install packages like "sandwich" , it shows following error:

> install.packages("sandwich")
--- Please select a CRAN mirror for use in this session ---
Warning: unable to access index for repository http://cran.ms.unimelb.edu.au/bin/windows/contrib/3.1
Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/ ... ontrib/3.1
Warning messages:
1: In open.connection(con, "r") : unable to resolve 'cran.r-project.org'
2: package ‘sandwich’ is not available (for R version 3.1.2)

Can someone suggest as to what I need to do to install it?

abhishek.benjamin
Posts: 5
Joined: Thu Jul 24, 2014 9:56 am

Installing Package "sandwich" in R- Software

Postby abhishek.benjamin » Tue Jan 20, 2015 8:59 pm

A further update, I resolved the issue. Now its its working Okay !!

das.subhradeep
Posts: 1
Joined: Mon Jun 29, 2015 12:01 pm

Re: Installing Package "sandwich" in R- Software

Postby das.subhradeep » Wed Jul 01, 2015 10:21 am

I am new to Big Data training.
Could you please confirm the following?
Is it mandatory to install any pre-requisite software (like Ubuntu, VMWare) in my laptop before attending the Big data class?
If yes, I do not have the required softwares. Also, I am not aware of the installation process.

Thanks,
Subhradeep

edupristine
Finance Junkie
Posts: 722
Joined: Wed Apr 09, 2014 6:28 am

Re: Installing Package "sandwich" in R- Software

Postby edupristine » Thu Jul 02, 2015 9:19 am

Mr. Subhradeep, Yes all the software are necessary for the classes.It is required that you download the required software and the installation instructions will be given in the class by the faculty.
The software to install can be found in the PowerPoint presentations which can be accessed from your web account.


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