Tag: packages

Feed: R-bloggers. Author: R | Joshua Entrop. [This article was first published on R | Joshua Entrop, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. In this blog post we will optimise a Cox proportional hazard model using a maximum likelihood estimation (MLE) method. For this we are first going to define the likelihood function of our Cox model and its partial first derivatives, sometimes called the score function. Later we will pass ... Read More

Feed: R-bloggers. Author: R | msperlin. [This article was first published on R | msperlin, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. I recently launched the third edition of my portuguese R book (adfeR-pt-br), with many due changes from the international version (afedR-en). To make it clear, the second edition of afedR (en) was ahead in content and the third edition of adfeR (pt-br) closed that gap. But, as it usually is ... Read More

Feed: R-bloggers. Author: An Accounting and Data Science Nerd's Corner. I am an applied economist and economists love Stata. Every time I work with somebody who uses Stata on panel models with fixed effects and clustered standard errors I am mildly confused by Stata’s ‘reghdfe’ function producing standard errors that differ from common R approaches like the {sandwich}, {plm} and {lfe} packages. Also, I recently had to update my {ExPanDaR} package to use the {plm} package as my favorite fixed effect package {lfe} was temporarily unavailable on CRAN. After doing that I decided that I finally want to understand what ... Read More

Feed: R-bloggers. Author: Ivan Svetunkov. [This article was first published on R – Open Forecasting, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. Since the previous post on “The Creation of ADAM“, I had difficulties finding time to code anything, but I still managed to fix some bugs, implement a couple of features and make changes, important enough to call the next version of package smooth “3.1.0”. Here is what’s new: A new ... Read More

Feed: R-bloggers. Author: Roel M. Hogervorst. Last week I spend a few hours figuring out how to auto deploy a shiny app on 2 apps on shinyapps.io from github. You can see the result on this github repository. This github repository is connected to two shiny apps on shinyapps.io. Here is what I envisioned, every new commit to the main branch will be published to the main app. We could then lock down the main branch so that no one can directly commit to main. (this is the production version). Pull requests will be pushed to a testing version of ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: akash. Increased consumption of data, more powerful computing, and the strong inclination towards data-driven decisions in business have made data science a crucial part of today's business environment. According to IBM, there is a huge demand for data scientists and data analysts in the present time. Python and R are the two most popular tools for programming for data science. Python and R both are open-source and free and were developed back in the early 1990s. For practitioners of machine learning and data science, these two tools are absolutely essential. While ... Read More

Feed: AWS Architecture Blog. Originally published 21 April 2020 to the Field Notes blog, and updated in August 2020 with new prechecks to the account enrollment script.  Since the launch of AWS Control Tower, customers have been asking for the ability to deploy AWS Control Tower in their existing AWS Organizations and to extend governance to those accounts in their organization. We are happy that you can now deploy AWS Control Tower in your existing AWS Organizations. The accounts that you launched before deploying AWS Control Tower, what we refer to as unenrolled accounts, remain outside AWS Control Towers’ governance ... Read More

Feed: R-bloggers. Author: Mirai Solutions. [This article was first published on Mirai Solutions, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. Value the users of your Shiny App: Do not overlook the power of a professional UI. You can have an amazing analysis behind the scenes, but if you don’t have an intuitive and appealing User Interface, your users might not interact with it properly. Consider this simple example: a siny app displaying ... Read More

Feed: R-bloggers. Author: Quantargo Blog. [This article was first published on Quantargo Blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. New Course Available Now: Advanced Data Transformation Data comes in many shapes and forms from all kinds of data sources. The first step before any statistical analysis can be done, is to bring the data into a suitable format. In R, there are three different package ecosystems to transform data, namely base ... Read More

Feed: SQL Server Integration Services (SSIS) articles. Author: Chunhua. Here comes part three in the “ADF/Purview integration” blog series.  In this blog we will focus on bringing SSIS ETL linage into Azure Purview.  If you want to learn what we covered in part one and two in this series, please go back and check out  Analyze root cause and impact using ADF ETL lineage in Azure Purview  and Bootstrap ETL process by bringing Azure Purview assets into Azure Data Factory. Enterprises are increasingly migrating existing SQL Server Integration Services (SSIS) projects and packages from on-premises to Azure for cost reduction as ... Read More