It seems that Rserve works in a 1 byte charactersystem. This was giving us strange results. When I read in data from KNIME with strange characters like µ the errors began. Every time I used the character “µ”, my output in Rserve would be:... [Read more...]

Last week i created some plots, always for 1 feature. Today I started working on the full script that creates all these plots, 1 per feature. This means, using for loops in R. Let’s see how this is going to work out. Today I mostly worked on data... [Read more...]

Last week i created some plots, always for 1 feature. Today I started working on the full script that creates all these plots, 1 per feature. This means, using for loops in R. Let’s see how this is going to work out. Today I mostly worked on data... [Read more...]

Today mostly existed in adding details or changing certain aspects of my graphs. For example, I had to turn around the y-axis on my levelplot, circleplot, … which wasn’t so easy at first. But after a bit of googling I found out I had to rev... [Read more...]

Today I had a meeting with Emmanuel. He is a guy from inside Janssen who is very good with R-scripts. He made a lot of great plots which I had to use for our reports. During the meeting we came to a conclusion that all the difficult R-scripting he did,... [Read more...]

I’m starting on my real R-Scripts now. We got an assesment for some Reports and they needed my graphs and Veerle’s Reports. So the tasks are: Well distribution plot Quality plate control Surface Plot Heatmap CirclePlot and more to come&#823... [Read more...]

Today I have been playing with the errorbars from knime. To recreate the plot from http://flyordie.sin.khk.be/2011/04/20/day-27-a-lot-of-graphics-in-one-place/ I had to be able to create 2 y-axis, and multiple plots on 1 graph. At the end of the day I ... [Read more...]

If you haven’t read yesterday’s post, I advise you to do so, because this is the fix of yesterday. Day #27: A lot of graphics in one place I found out how to use ggplot2 in knime. Say, for example, your code is this: library(ggplot2) myplot... [Read more...]

assignment in R Today my internship-promotor gave me the assignment to create this chart in R. This means: I get a lot of data and put a certain column on a barchart for each plate. On top of that data, you place 2 errorbars. At first I thought, piece ... [Read more...]

Today I stumbled upon a very nice package called “rgl”. For documentation and demos, take a look at it’s website. Rgl is: quoted by rgl site itself: The rgl package is a visualization device system for R, using OpenGL as the rendering... [Read more...]

Today I have been able to get 2 more templates working: The ternary plot and the correlation ellipses. They were already “working”, but just the initial script. which can be found here: ternary plot: http://addictedtor.free.fr/graphiques/RG... [Read more...]

If you didn’t read the post from yesterday, I urge you to do so, or you won’t get what I’m writing here. http://flyordie.sin.khk.be/2011/04/08/day-19-rgg-s-a-btch/ So, coming back from yesterday, I had a talk with my supervisor who to... [Read more...]

After 2 restarts of my PC and 3 times restarting Rserve and Knime, the red text of doom (look at the bottom of Day 21) was finally gone. So I could start on my correlation ellipses. this wasn’t so hard. I added a panellistbox to my template, whic... [Read more...]

If you didn’t read the post from yesterday, I urge you to do so, or you won’t get what I’m writing here. http://flyordie.sin.khk.be/2011/04/08/day-19-rgg-s-a-btch/ So, coming back from yesterday, I had a talk with my supervisor who to... [Read more...]

A  listbox is (as far as i thought) supposed to select one or more items in the list and put them in a variable. Well, not for the rgg listbox. Whatever you select, you’ll get an error.                 &#1... [Read more...]

Hello again Today I am experiencing something weird. The last days I have been experimenting with the R-scripting nodes from knime and with their templates. But today this happened. The node is executed without errors, but when I try to open the view, [Read more...]

To install the community nodes in knime: help __ install new software __ http://tech.knime.org/update/community-contributions/release you’ll only need the “R and Groovy scripting extensions for KNIME” What is it and what does it... [Read more...]

First, go take a look at this website: http://rgg.r-forge.r-project.org/docs.html At “6. RGG Elements” you can see which GUI elements you can give to the user and which functions they have. Then, open a textfile and call it however you want... [Read more...]

Owkey, I told you i was going to keep you up to date on my course, so here it is. I needed to gain knowledge on how to flowcytometry. We started with looking at: why would we do Object Oriented Programming and seeing the difference between S3 and S4 mo... [Read more...]

Yesterday I tried to insert some more R code into knime. scatterplot smoothed density library("geneplotter")  ## from BioConductor require("RColorBrewer") ## from CRAN x1  [Read more...]