R/Knime: plotting multiple curves in a single plot using a R snippet inside a KNIME loop

Asked Jun 25 '14 at 12:50

Active Jun 25 '14 at 14:44

Viewed 881 times

I'm new to both knime and R so sorry if my question is a bit silly.

I've created a simple workflow to:

1) open multiple file and join them togheter with only one x axis (PPM) and several y axis (the name is created through the cycle from the file location)

2)plot each indivual x and y couple and save them to a specific folder (with a R snippet)

3)plot all the curve in a single plot (with a R snippet) with different line style

The last point unfortunately is not working and I don't know why.

Here is the link to Gdrive with the workflow and some data

https://drive.google.com/file/d/0B6XSS-i7eUt7SlRVOWZ2RElKa0k/edit?usp=sharing

Any help (and suggestion to improve the code) will be appreciated :)

Cheers,

Michele

edited Jun 25 '14 at 14:44

asked Jun 25 '14 at 12:50

Michele Carboni

1

This is a place to help you with difficulties, but not to do your work for you. What have you tried? – Boris Stitnicky Jun 25 '14 at 14:39
Can you make your problem reproducible without external links (which I don't see)? – Roman Luštrik Jun 25 '14 at 14:42
@RomanLuštrik sorry I forgot to attach it :) – Michele Carboni Jun 25 '14 at 14:44
@BorisStitnicky I tried all the solution proposed for R (such as par(new=TRUE),using lines to add the following plots, etc...etc... The main problem I had with them is that they don't take in account the fact that the R script is running inside a loop... – Michele Carboni Jun 25 '14 at 14:47

R/Knime: plotting multiple curves in a single plot using a R snippet inside a KNIME loop

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