Impact in Risk Assessment

How many times have you seen project charters or business cases where a form of risk assessment has been provided? In many cases, people try to make the risks tangible and actionable by means of a risk matrix. In this...

Publishing html presentations on Github

You’ve seen those fancy html presentations on the web? Reveal.js is a framework to create such things of beauty. And it goes along well with my Markdown based style of writing, even for presentation slides. I usually create the presentations...

Running Docker on MacOSX

I found out about docker this morning via the blog of the people behind AMPlab, creators of Spark and such. In short (because it’s actually much more than this) it lets you run a Spark/Shark cluster (pre-built!) on your PC....

Activity Monitoring from Smartphone Sensor Data (in a new Layout)

As one of the assignments of the Data Analysis Coursera class, participants were asked to detect movement type from the sensor data of a smartphone. When I did the assignment, I created the report in Markdown, and converted it using...

Turning Cloudera Quickstart VM into an R Studio Server

Downloading the image (in my case for VirtualBox) is easy enough. Make sure that the VM has a connection to the internet. sudo yum -y install R sudo yum -y install wget From the R Studio Server website: wget http://download2.rstudio.org/rstudio-server-0.97.551-x86_64.rpm sudo...

Writing workflow: Markdown, Pandoc, LaTeX and the likes

You wouldn’t tell from the updates on this website, but I’m actively writing again. Offline, that is, the online part is for later. For now, I want to share my experience improving my writing workflow. In the past, I used...

SLM: Issues with traditional SLM (Part 7)

Avoid Accountability When all goes wrong, and the KPIs are showing bad performance, there is one last option: avoid accountability. For instance, because other teams have not done their job which caused the resolution time to be above threshold. This...

SLM: Issues with traditional SLM (Part 6)

Gaming the system We start by considering metric 1 in the examples given before, which is related to the on-hold time of a call. There are several ways to avoid the penalty of crossing the threshold for this metric: One...

SLM: Issues with traditional SLM (Part 5)

Focus on the wrong instances A consequence of dealing with averages and aggregate metrics is that in some cases, when a threshold value is reached there is no longer an incentive to act on the individual instance that went wrong....

SLM: Issues with traditional SLM (Part 4)

Consider the following (fake) recommendation for a hotel room: The guaranteed average room temperature is 20 degrees Celcius. Even with a money back guarantee, I would not rent the room. Suppose its 40 degrees during the day and 0 degrees...