Format
A data frame with 167 observations on the following 6 variables.
SpectrumTag- a character/numeric vector of sample ID.
Tumor- a factor, with levels
c and n, describing
the sample class Age- a numeric vector of age.
Sex- a factor, with levels
female and male, indicating gender. stage- a factor, with levels
early, late and normal,
indicating tumor stage. Protein_conc- a numeric vector of urine concentration.
Source
Ward DG, Nyangoma S, Joy H, Hamilton E, Wei W, Tselepis C, Steven N, Wakelam
MJ, Johnson PJ, Ismail T, Martin A: Proteomic profiling of urine for the detection of colon
cancer. Proteome Sci. 2008, 16(6):19.