Question: help on lowess and density plot.
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gravatar for Veerendra GP
9.2 years ago by
Veerendra GP100
Veerendra GP100 wrote:
Dear all, i need to ask two quections which are in my mind, 1.Wether lowess normalization take in yo account of dye bayes during normalization? 2.How density plots are drawn from MA objects (i.e, after lowess normalization) as it contains only M and A values not R and G values, to draw red and green line(peaks) on the plot? -- Veerendra. [[alternative HTML version deleted]]
normalization • 597 views
ADD COMMENTlink modified 9.2 years ago by James W. MacDonald51k • written 9.2 years ago by Veerendra GP100
Answer: help on lowess and density plot.
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gravatar for James W. MacDonald
9.2 years ago by
United States
James W. MacDonald51k wrote:
Hi Veerendra, On 8/29/2010 11:39 PM, Veerendra GP wrote: > Dear all, > i need to ask two quections which are in my mind, > 1.Wether lowess normalization take in yo account of dye bayes during > normalization? That is the intent of a loess normalization. > 2.How density plots are drawn from MA objects (i.e, after lowess > normalization) as it contains only M and A values not R and G values, to > draw red and green line(peaks) > on the plot? If you have both the M and A values, it is simple algebra to compute the R and G values. Best, Jim -- James W. MacDonald, M.S. Biostatistician Douglas Lab University of Michigan Department of Human Genetics 5912 Buhl 1241 E. Catherine St. Ann Arbor MI 48109-5618 734-615-7826 ********************************************************** Electronic Mail is not secure, may not be read every day, and should not be used for urgent or sensitive issues
ADD COMMENTlink written 9.2 years ago by James W. MacDonald51k
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