Description Usage Arguments Details Value Author(s) Examples
The method normalizes count data by a specified quantile (e.g., 75th quantile)
1 | Quant_Norm(e_data, edata_id, q = 0.75)
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e_data |
a p \times n data.frame of count data, where p is the number of features and n is the number of samples. Each row corresponds to data for a feature, with the first column giving the feature name. |
edata_id |
character string indicating the name of the feature identifier. Usually obtained by calling |
q |
a number to indicate which quantile to normalize with. Default is 0.75. |
Count data is normalized by a given quantile, dividing by the given quantile of the sample and multiplying by the given quantile of the entire dataset.
List containing 3 elements: norm_data is a data.frame with same structure as e_data that contains the quantile-normalized data, location_param is NULL, and scale_param is a numeric vector containing, for every sample, the value of the sample at the designated quantile (q) divided by the value of the global quantile (q).
Allison Thompson, Lisa Bramer
1 2 3 4 | library(mintJansson)
data(cDNA_hiseq_data)
cDNA_quant <- Quant_Norm(e_data = cDNA_hiseq_data$e_data, edata_id = attr(cDNA_hiseq_data, "cnames")$edata_cname)
norm_factors <- attr(cDNA_quant,"data_info")$scale_param
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