User: Martino Barenco

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Posts by Martino Barenco

<prev • 11 results • page 1 of 2 • next >
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Comment: C: Problems installing Rcurl
... Hi, I am the original poster and ended up solving my problem by typing sudo apt-get install libcurl-dev sudo apt-get install libcurl4-gnutls-dev This way, libcurl-dev is now tracked in synaptic. Thanks a lot for all the replies, Martino On 20 Jan 2010, at 12:57, Cristobal Fresno Rodríguez wrote ...
written 9.8 years ago by Martino Barenco110
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Problems installing Rcurl
... Hello list, I am trying to install Rcurl under Mint/Ubuntu. I installed curl 7.19.5-1 ubuntu2 using synaptic, the binary package manager but when I try to locate curl-config as specified in the FAQ, it is nowhere to be found. So I suspect I might have installed curl only, when I needed to install c ...
written 9.8 years ago by Martino Barenco110 • updated 9.8 years ago by Kasper Daniel Hansen6.4k
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Answer: A: Finding transcription factors controlling hk1 gene In timecourse experiment
... Hi Peter, I wrote a package called rHVDM. It does not do quite what you want, but you might want to check it out. Basically if you know some targets of a transcription factor, It will deduce the activation profile of that transcription factor and then using this information, it will predict which o ...
written 10.6 years ago by Martino Barenco110
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reading binary .CEL files in MACOSX
... Dear list, Within the affy package and on a MACOSX machine (10.4.11), I want to access probe-level data on binary .CEL files (human st1 expression arrays) using the command ReadAffy, which creates an "AffyBatch" object. I get the following meassage: Error in read.affybatch(filenames = l$filenames, ...
affy written 10.6 years ago by Martino Barenco110
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Comment: C: Time series analysis using predefined sets of genes
... This passed under my radar, sorry to intervene so late in the thread. I wrote a package that does just that, it's called rHVDM and downloadable from the Bioconductor website. It uses mechanistic models to predict targets of transcription factors, all is needed is a handful of known targets. The rele ...
written 12.3 years ago by Martino Barenco110
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Answer: A: info su illumina
... Check this: http://www.bioconductor.org/packages/bioc/1.8/html/beadarray.html Kind regards Martino On 7 Feb 2006, at 14:02, Alberto Goldoni wrote: > Hi guys, > > i have a little question for you: > > is it possible to analyze illumine arrays with R..? > > is there a specif ...
written 13.8 years ago by Martino Barenco110
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Answer: A: A question about MAS5 vs RMA vs GCRMA
... Dear Fai, I think justRMA() (If this is what you used) returns 2-log transformed values so that to >=2 fold changes correspond to (absolute difference)>=1 in that metric. Bests Martino On Monday, September 13, 2004, at 03:48 PM, YUK FAI LEUNG wrote: > Hi there, > > I am helping m ...
written 15.2 years ago by Martino Barenco110
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MvA plot
... Just a simple question: what does the "M" in MvA stand for. I'm assuming "A" is average. I could not find the answer on the web. Thanks. Martino --------------------------------------- Martino Barenco CoMPLEX 4, Stephenson Way London NW1 2HE Tel.: +44 20 7679 5088 Fax.: +44 20 7679 5052 (please sp ...
written 15.8 years ago by Martino Barenco110 • updated 15.8 years ago by Gordon Smyth39k
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quantile normalization
... Hi, My understanding of quantile normalization is that values for several data sets are ranked, then the average per rank is taken and is reattributed to each data set according to the original rank (hope this makes sense). My question is: how does one deal when ties occur? - One possibility would ...
normalization written 16.5 years ago by Martino Barenco110 • updated 16.5 years ago by Laurent Gautier2.2k
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Expression values using RMA
... Hi, Using the hard-coded version of rma in the library affy, I find the expression values to be on a quite narrow range in relative terms (range=(3.5,14)). With other methods (eg mas, dchip), the signals span about four order of magnitude. Does this mean the expressions output by rma are log-tranfo ...
affy written 16.5 years ago by Martino Barenco110 • updated 16.5 years ago by Ben Bolstad1.1k

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Popular Question 9.8 years ago, created a question with more than 1,000 views. For quantile normalization

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