Description Usage Arguments Details Value Author(s) References See Also Examples
normalizer
normalizes any data set using a chosen method (see Details).
It may be used when the data from an experiment have considerable variation regarding the
background and plateau signal.
1 | normalizer(y, method.norm = "none", qnL = 0.03)
|
y |
is a vector containing the fluorescence values. |
method.norm |
is a argument to use a "none", "minm", "max", "luqn", or "zscore" normalization. See Details. |
qnL |
is the quantile to be used for the quantile normalization. Ignored if
|
The parameter qnL
is
a user defined quantile which is used for the quantile normalization. A
quantile normalization herein refers to an approach which is less prone to
outliers than a normalization based on the minimum and the maximum of an
amplification curve.
minm
does a min-max normalization between 0 and 1 (see Roediger et al.
2013 for explanation).
max
does a normalization to the maximum value (MFI/max(MFI)).
luqn
does a quantile normalization based on a symmetric proportion
as defined by the qnL
parameter (e.g., qnL = 0.03 equals 3 and 97
percent quantiles).
zscore
performs a z-score normalization with a mean of 0 and a
standard deviation of 1.
A vector of normalized fluorescence values.
Stefan Roediger, Michal Burdukiewicz
Surface Melting Curve Analysis with R. S. Roediger, A. Boehm and I. Schimke. The R Journal. 5(2):37–52, 2013. https://journal.r-project.org
1 | normalizer(C17[2L:50, 1], "minm")
|
[1] 0.00000000 0.02440033 0.04507858 0.06575682 0.08643507 0.10752688
[7] 0.12820513 0.14888337 0.16956162 0.19023987 0.21133168 0.23200993
[13] 0.25268817 0.27336642 0.29404467 0.31513648 0.33581472 0.35649297
[19] 0.37717122 0.39784946 0.41894127 0.43961952 0.46029777 0.48097601
[25] 0.50165426 0.52233251 0.54301075 0.56368900 0.58478081 0.60545906
[31] 0.62613730 0.64681555 0.66790736 0.68858561 0.70926385 0.72994210
[37] 0.75062035 0.77171216 0.79239041 0.81306865 0.83374690 0.85483871
[43] 0.87551696 0.89619520 0.91728701 0.93796526 0.95864351 0.97932175
[49] 1.00000000
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