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Messages - Ralf

6
XCMS / Re: plotTIC vs plotEIC vs getEIC vs rawEIC
Hans,

only rawEIC() extracts the EIC using the raw data directly, all other EIC methods make use of the so called profile matrix, a binned version of the raw data. Depending on how you set m/z step size for this matrix (profstep parameter), the results can be slightly different.

Regards,
Ralf
12
Job opportunities / Senior Engineer, Software - CA, San Jose
Expertise   Software Development
Job Type   Full-time
Location   United States - California - San Jose
Job Level   Experienced

Position Summary:
The San Jose, CA software development group is seeking an exceptionally talented Senior Software Engineer that will be a key team member supporting Microsoft Windows based applications, internal .Net libraries, scientific algorithms and windows/web based services for Thermo Fisher’s leading mass spectrometry solutions. As a technical contributor, she/he must be comfortable working within a small group of developers and other cross disciplinary individuals in the design, development and release of industry leading solutions. As a Senior Engineer you will bring to the group your vast experience in software development such as mentoring other engineers, communication with peers in design and code analysis, software debugging techniques and managing time between different priorities.

for details click here.
13
XCMS Online / Re: Charge state of features
Whenever it can be derived from the data (i.e. the isotopic peaks) then the charge state of a feature is shown in the column "isotopes".
14
metaXCMS / Re: 0 values for first imported tsv file
1. It looks like R is restoring a previoulsy saved workspace. Look for a file called ".RData" in your home folder and delete it.

2. you might want to update or reinstall using biocLite() both your mzR and Rcpp package.