User: Dimitris Kampas

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Last seen:
8 years, 1 month ago
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8 years, 1 month ago
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d******@gmail.com

Posts by Dimitris Kampas

<prev • 6 results • page 1 of 1 • next >
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contrasts on continous variables on linear model
... Hello All, I have an dataset like the one below: S1.CEL S2.CEL S3.CEL S4.CEL S5.CEL S6.CEL S7.CEL S8.CEL S9.CEL S10.CEL S11.CEL 1415670_at 3.147518 3.173544 3.169437 3.136441 3.143318 3.149240 3.164243 3.058996 ...
kidney lung written 8.1 years ago by Dimitris Kampas60
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linear model - r syntax error
... > design = model.matrix(~ fac1 * fac2 * data_to_model$Time) > fit = lmFit(data_to_model, design) Error in rowMeans(y$exprs, na.rm = TRUE) : 'x' must be numeric > design = model.matrix(~ fac1 * fac2 * data_to_model$Time * data_to_model$Value) > fit = lmFit(data_to_model, design) Error in ...
written 8.1 years ago by Dimitris Kampas60
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numeric and limma
... Hello All, I want to create a linear model using limma design = model.matrix(data$Time * data$Tissue * data$Type) but i want Time to be a numeric one. Any help? [[alternative HTML version deleted]] ...
limma written 8.1 years ago by Dimitris Kampas60
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linear model
... Hello all, I would like to create a linear model where i have 4 tissues, 2 types of mice and 3 time points. I created the following data frame: Type Tissue Time Value Ty1 Tis1 T1 V1 Ty2 Tis1 T1 V2 ... For each Type Tissue and Time point i have 3 replicates. I ...
limma written 8.1 years ago by Dimitris Kampas60
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linear model and continous variable
... Thnx a lot, It was quite helpful. Dimitris 2011/6/30 James W. MacDonald > Hi Dimitris, > > > On 6/30/2011 3:24 PM, Dimitris Kampas wrote: > >> Hello everyone, >> >> I would like to perfom a linear model like the following on my data using >> limma but i am ...
limma written 8.2 years ago by Dimitris Kampas60
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linear model and continous variable
... Hello everyone, I would like to perfom a linear model like the following on my data using limma but i am not familiar with that. Y~ a + b*TYPE + c*TIME + d * TYPE * TIME I have 2 types of mice, CSB and WT, and 3 time points. I would like to model the time as a continous covariate. Unfortunately, t ...
limma written 8.2 years ago by Dimitris Kampas60 • updated 8.2 years ago by James W. MacDonald50k

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