1713 search results for "Excel"

The R-Podcast Episode 12: Using Version Control with R

March 31, 2013
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This is not an April Fool's joke ... The R-Podcast is back once again! In this episode, I discuss the concept of version control and how you can get started with using the Git VCS right now with your R projects. Also I discuss a big batch of listener f...

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Importing Data to R

March 30, 2013
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There are number of ways in importing data into R, and several formats are available,From Excel to R From SPSS to RFrom Stata to R, and more hereIn this post, I'm going to talk about importing common data format that we often encounter, such as Excel, ...

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Creating a Business Dashboard in R

March 28, 2013
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Creating a Business Dashboard in R

Business dashboards are available in many shapes and sizes. Business dashboards are useful to create an overview of key performance indicators (KPIs) important for the business strategy and/or operations. There are many flavours of dashboard frameworks and apps available, ranging in price from thousands of dollars to open-source implementations. Apparently  Read more »

Creating a Business Dashboard in R

March 28, 2013
By
Creating a Business Dashboard in R

Business dashboards are available in many shapes and sizes. Business dashboards are useful to create an overview of key performance indicators (KPIs) important for the business strategy and/or operations. There are many flavours of dashboard frameworks and apps available, ranging in price from thousands of dollars to open-source implementations. Apparently there are four key elements to a good dashboard: Simple, communicates easily Minimum distractions…it could cause...

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Moving to R 3.0.0 on Ubuntu

March 27, 2013
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As you may (or may not) be aware of, R 3.0.0 is scheduled to be released on April 3rd. Since this is a major release and there may be some growing pains (but I hope not) in the move 3.0.0, here is some information about how I will handle R 3.0.0 on CR...

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Python vs R vs SPSS … Can’t All Programmers Just Get Along?

March 26, 2013
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Python vs R vs SPSS … Can’t All Programmers Just Get Along?

Programmers have long been very proud and loyal with their tools, and often very vocal. This has led to well-contested rivalries and “fights” about which tool is better: emacs or vi; Java or C++; Perl or Python; Django or Rails; … Continue reading →The post Python vs R vs SPSS … Can’t All Programmers Just Get Along?...

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Python vs R vs SPSS … Can’t All Programmers Just Get Along?

March 26, 2013
By
Python vs R vs SPSS … Can’t All Programmers Just Get Along?

Programmers have long been very proud and loyal with their tools, and often very vocal. This has led to well-contested rivalries and "fights" about which tool is better: emacs or vi; Java or C++; Perl or Python; Django or Rails; and, for data geeks, the SAS/SPSS/R/Matlab fight. The truth is, very few of us data geeks (data scientists, data analysts, statisticians, or...

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Rcpp 0.10.3

March 23, 2013
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A new relase 0.10.3 of Rcpp is now on CRAN and in Debian. This is the fourth release in the 0.10.* series, and further extends and solidifies the excellent Rcpp attributes. A few other bugs were fixed as well, and support for wide character string...

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Maximum Sharpe Portfolio

March 21, 2013
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Maximum Sharpe Portfolio

Maximum Sharpe Portfolio or Tangency Portfolio is a portfolio on the efficient frontier at the point where line drawn from the point (0, risk-free rate) is tangent to the efficient frontier. There is a great discussion about Maximum Sharpe Portfolio or Tangency Portfolio at quadprog optimization question. In general case, finding the Maximum Sharpe Portfolio

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XLConnect on github

March 20, 2013
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XLConnect on github

Mirai Solutions GmbH (http://www.mirai-solutions.com) is pleased to announce the availability of XLConnect on github. Whether you want to browse the code or simply want access to the latest development version of XLConnect, visit us on github. XLConnect can be directly … Continue reading →

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