PCaeC383_i
Attribute
Value
Var ID
00003368
Name
PCaeC383_i
Label
PCaeC383_QCstep1
Description
New in R8. 1st step QCd metabolomics data variable for raw variable PCaeC383_raw. All values below detection limit set to 0. Invalid flag: missing peak; internal standard too low; signal exceeds quantification limit). Unit = uM The _i in the name indicates that missingness was between 0 and 5% and the missing values have been replaced by a random imputed value between 0 and the plate-specific LOD.; valid=0 LoD=0.01. 2nd and final QC step on this var created new and final var BIOR_110.
Additional Information
Releases
Release 8,
Release 8a,
Release 10,
Data Source
Data Context
MEASURED
Data Entry
External laboratory
Data Availability
Available
Valid From
19/11/2015
Valid To
Present
Is Current
True
Data type
Real
Minimum Value
Maximum Value
Warning Minimum Value
Warning Maximum Value
Significant figures
Decimal Places
Maximum Length
Pattern
Format
Coding
Code
Text
Template Usage
-7
Internal standard undetectable (Concentration unreliable)
0
value below detection limit
Variable history
Release
Name
Master name
PCaeC383_i
Release 10
PCaeC383_i
Release 8
PCaeC383_i
Release 8a
PCaeC383_i
Belonging groups
Name
Description
Type