Blog Archives

Learn to R blog series – R and RStudio

March 28, 2018
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Hello everyone, welcome back! This post marks the beginning, hopefully, of your foray into the wonderful world of R and RStudio…and my delve into the odd vlog to go with the blog! I’ve brushed my hair for you, and I don’t do that for just anyone, so you’d better watch it at least once! So without further ado. R R...

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Understanding rolling calculations in R

March 6, 2018
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In R, we often need to get values or perform calculations from information not on the same row. We need to either retrieve specific values or we need to produce some sort of aggregation. This post explores some of the options and explains the weird (to...

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Image Recognition and Object Detection

February 27, 2018
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In this latest blog, I’m responding to a cry for help. Someone got in touch with us recently asking for some advice on image detection algorithms, so let’s see what we can do! They already know what algorithms they want to use, so let’s start with those. Hang on no, for the uninitiated, let’s start with what even is an...

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Markdown based web analytics? Rectangle your blog

February 21, 2018
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Locke Data’s great blog is Markdown-based. What this means is that all blog posts exist as Markdown files: you can see all of them here. They then get rendered to html by some sort of magic cough blogdown cough we don’t need to fully understand here. For marketing efforts, I needed a census of existing blog posts along with...

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Connect to Google Sheets in Power BI using R

February 16, 2018
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Hello again everyone! This latest blog post comes from this youtube video that we published a little while ago. Here’s the step by step instructions for using the ‘googlesheets’ package in R to enable you to get your data from Google Sheets Step 1 - Preparation Create an authentication token for re-use Run the following: library(googlesheets) token

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How to maraaverickfy a blog post without even reading it

February 12, 2018
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Steph is currently out of the office, teaching people cool Data Science stuff on a cruise at Tech Outbound. She counts on her team to keep the company’s Twitter account afloat in the meantime, so I had to think of a way to contribute. What about advertising existing content from her blog in the style of her Twitter role...

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Connecting to SQL Server on shinyapps.io

January 31, 2018
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If you use SQL Server (or Azure SQL DB) as your data store and you need to connect to the databasse from shinyapps.io, you’re presently stuck with FreeTDS. If you have any control over infrastructure I cannot recommend highly enough the actual ODBC Driver on Linux for ease. Alas, shinyapps.io does not let you control the infrastructure. We have...

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Year 2 of Locke Data

January 28, 2018
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Hey folks, I wanted to give y’all an update about Locke Data one year on from when I started it up. In the past year, I’ve delivered more than 32 days of training, wrote and published 2 books, worked with 3 clients, and generally whimpered at my schedule. It has been amazing how much support the community has given me,...

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Working with PDFs – scraping the PASS budget

December 28, 2017
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Using tabulizer we’re able to extract information from PDFs so it comes in really handy when people publish data as a PDF! This post takes you through using tabulizer and tidyverse packages to scrape and clean up some budget data from PASS, an association for the Microsoft Data Platform community. The goal is to mainly show some of the...

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Using blogdown with an existing Hugo site

December 19, 2017
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If you decide you want to use R in your existing Hugo blog, it’s really easy to convert over. There’s a single command you need to know from blogdown and the rest is working out your deployment process. To create content, use the blogdown Rstudio a...

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