September 2021

Object detection and tracking in Python

September 10, 2021 | Francisco de Abreu e Lima

Introduction Computer vision is practically everywhere – summoned whenever you unlock your phone, check-in at the airport or drive an autonomous vehicle. In industry, it is revolutionising fields ranging from precision agriculture to AI-assisted medical imaging. Many such applications are based on object detection, one of the key topics of this ...
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Adding text labels to ggplot2 Bar Chart

September 9, 2021 | finnstats »

Adding text labels to ggplot2, Is it possible to add text labels to a bar chart in a simple way? Yes, In this article, you’ll learn how to add a frequency count to each bar in a bar chart. First, let’s make a data frame. Animated ...
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Adding text labels to ggplot2 Bar Chart

September 9, 2021 | finnstats

Adding text labels to ggplot2, Is it possible to add text labels to a bar chart in a simple way? Yes, In this article, you’ll learn how to add a frequency count to each... The post Adding text labels to ggplot2 Bar Chart appeared first on finnstats.
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{emayili} Rendering Plain Markdown

September 9, 2021 | R | datawookie

We’ve been able to attach text and HTML content to messages with {emayili}. But something that I’ve really been wanting to do is render markdown directly into an email. In version 0.4.19 I’ve added the ability to directly render plain markdown into a message. library(emayili) The render() ...
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Grouped Data Mean and Standard Deviation Calculator

September 8, 2021 | finnstats

We want to determine the mean and standard deviation of ungrouped data in practically all circumstances. However, how can you do that with grouped data? Grouped Data Mean and Standard Deviation Let’s look at... The post Grouped Data Mean and Standard Deviation Calculator appeared first on finnstats. [Read more...]

A Guide to Binge Watching R / Medicine 2021

September 8, 2021 | R Views

R / Medicine is a big deal. This year, the conference grew by 13% with 665 people from over 60 countries signing up for the virtual event which was held last month. 34% percent of the registrants were from outside of the United States and 17% identified as physicians. The conference is now an established international ...
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{clockify} Time Tracking from R

September 8, 2021 | R | datawookie

At Fathom Data we use Clockify to keep detailed records of the time that we spend working on our clients’ projects. Up until fairly recently we manually generated timesheets at the end of each month that were sent through to the clients along with their invoices. Our experience has been ...
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The Four Pipes of magrittr

September 6, 2021 | R on Data & The World

The magrittr package is a part of the extended tidyverse – i.e., not one of the ones normally loaded. It is the one that supplies the pipe operator (%__%), but it turns out that the package actually contains four pipe operators in total. All ar...
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RSwitch 2.1.2b Bug-fix Release

September 6, 2021 | hrbrmstr

RStudio is continuing to refine their ?? new product version string scheme, with the most recent change using something like the following for daily builds: RStudio-pro-2021.11.0-daily+23.pro1.dmg The full URL for these Amazon S3-hosted builds is something like: https://s3.amazonaws.com/rstudio-ide-build/desktop/macos/RStudio-pro-2021.11.0-daily%2B23....
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Measuring model performance using a gains table

September 5, 2021 | R'tichoke

Modellers/analysts developing credit scores generally use something known as the gains table (or a ks table) to measure and quantify the performance of such models. We’ll explore how to build such a table in this post. The idea is to first discretise the population under consideration (say the ... [Read more...]
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