Articles by Mauricio Vargas S. 帕夏

Linear Regression and ANOVA shaken and stirred

February 21, 2017 | Mauricio Vargas S. 帕夏

Linear Regression and ANOVA concepts are understood as separate concepts most of the times. The truth is they are extremely related to each other being ANOVA a particular case of Linear Regression. Even worse, its quite common that students do memorize equations and tests instead of trying to understand Linear ... [Read more...]

Creating a network using R

February 3, 2017 | Mauricio Vargas S. 帕夏

On January, 10 2016 David Bowie left this earthly realm. Last month I decided to create a network and here is how to do that. Required packages You need jsonlite, igraph, network, plyr and R base. Other tools D3Plus by Alex Simoes and Dave Landry. Also Google Sheets. My data is ... [Read more...]

Creating beautiful charts in chinese with ggplot2

January 16, 2017 | Mauricio Vargas S. 帕夏

Update Jan 17, 2017: Ruilong Xu (徐瑞龙) warned me that 商務處智利中國 is 商务处智利中国 in traditional characters. Thanks for the correction,Ruilong! I still don't have 2016's official trade numbers,sorry。I also moved to an open typography to write in simplified chinese and I added some ggplot2 v2.2 new features。 Before we start My chinese ... [Read more...]

R and GNU tools via Homebrew

January 7, 2017 | Mauricio Vargas S. 帕夏

Introduction I was in need of using stock Python (Homebrew provided version) from RStudio and I found that the user path is ignored by GUI applications. I discovered that because Python packages installed via pip were not recognised from RStudio. Here'... [Read more...]
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