Introduction:

This tool takes a peak table file as input and outputs the basic statistics, including 'nbr.val', 'nbr.null', 'nbr.na', 'min', 'max', 'range', 'sum', 'median', 'mean', 'SE.mean', 'CI.mean.0.95' ,'var', 'std.dev', 'coef.var', 'skewness', 'skew.2SE', 'kurtosis', 'kurt.2SE', 'normtest.W', and 'normtest.p'.

Input files:

1.      Peak table file in Tab-delimited txt format, with the first column as the compound identifier and others as samples.

For example:

STDmix_GC_01

STDmix_GC_02

STDmix_GC_03

(2-methoxyethoxy)propanoic acid isomer

3.019766011

3.81433889

3.51969148

(gamma)Glu-Leu/Ile

3.888479324

4.277148905

4.195649235

1-Methyluric acid

3.869005757

3.837704025

4.102253758

1-Methylxanthine

3.717258956

3.776851289

4.291665208

1,3-Dimethyluric acid

3.535461262

3.932581047

3.955376494

Output files:

1.      'pkTable_summary.txt', basic statistics summary information on rows (compouds data).