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In our recent study, the Ct values of 18S rRNA could vary between 22 to 30 for same FFPE samples in repeated experiments. We have no idea about the underlying major factor that induce this...
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When performing the linear SVM classification, it is often helpful to normalize the training data, for example by subtracting the mean and dividing by the standard deviation, and afterwards scale...
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I performed a microarray study of 60 samples. 20 samples for each of Group A and B, C. I used the "samr" package to look for differentially expressed genes between subgroups and calculate the...
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