Sharon Machlis

Executive Editor, Online & Data Analytics

Sharon Machlis is Executive Editor, Online & Data Analytics at Computerworld, where she works on data journalism projects and in-house editor tools in addition to writing and editing. Her tech interests include data visualization and analysis as well as the intersection of journalism and technology. She holds an Extra class amateur radio license and is currently somewhat obsessed with R.

Data wrangling with R: Download our free PDF

By the numbers: Apple iPhone, iPad and Mac quarterly sales

While there's a lot of chatter about declining iPad revenue, what about overall number of devices sold? We take a look at unit sales, accounting for seasonal swings.

Web scraping with R and rvest (includes video & code)

Web scraping with R and rvest (includes video & code)

See how to extract text from a Web page in this latest installment of R in 5 Lines or Less

SQL Server 2016 to include R

SQL Server 2016 to include R

This looks to be one of the first concrete results of Microsoft's acquisition of R vendor Revolution Analytics.

Great R packages for data import, wrangling & visualization

Great R packages for data import, wrangling & visualization

Here are my go-to R packages -- in a handy searchable table

Qlik Sense free dataviz app adds public, private sharing

Qlik Sense free dataviz app adds public, private sharing

Qlik Sense Desktop now includes private cloud sharing; public embeddable visualizations are slated for later this year.

Most downloaded R packages last month

Most downloaded R packages last month

See the most popular R packages on RStudio's CRAN mirror server last month.

In beta: BeyondCore Apps for Office offers automated statistical analysis in Excel

In beta: BeyondCore Apps for Office offers automated statistical analysis in Excel

For $99.99 a month, BeyondCore will soon let you find relationships in your data -- even if you don't know the difference between a T-test and a T-bone. Does it work as advertised? And if it does, is that necessarily a good thing?

4 data wrangling tasks in R for advanced beginners

4 data wrangling tasks in R for advanced beginners

R is mighty, but it can be complex for data tasks. Learn how to get summaries, sort and do other tasks with relative ease. (Now updated with dplyr examples.)

Chart and image gallery: 30+ free tools for data visualization and analysis

This sortable chart lets you compare dozens of tools for functionality, skill level and more.

Free tool to extract data from PDFs: Tabula

Free tool to extract data from PDFs: Tabula

This open-source software is designed to 'liberate data locked inside PDFs.'

R in 5 lines or less: Data breach quick analysis

R in 5 lines or less: Data breach quick analysis

See how to generate counts by category and simple visualizations. With video and code.

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