These include high extraction retreat, where the roof supporting pillars are systematically removed, and longwall mining, which employs a machine that mines a continuous strip of coal, thus leaving no roof supports.
Flagged spots as well as control spots were systematically removed, and data were log2 transformed.
Low correlating and highly skewed items were systematically removed and the analysis re-run.
For miRNA data, control spots were systematically removed, and flagged spots (gIsFeatNonUnifOL and gIsSaturated columns from raw files) were considered as missing values ("NA").
But in this case, the blur is not random but is related to the mathematical shape of the distorting lens and, as such, it can be systematically removed.
However, the facility to repeat and filter scans (so-called 'scan sequence approach'; [see 50]) allows unwanted objects (such as passing people) to be systematically removed from the image data allowing scanning to be undertaken in busy periods when necessary.
Within a population selection for a trait underlined by epistatic gene effects will maintain linkage disequilibrium between the loci involved [5], because specific allelic combinations will be systematically removed.
We still have an environment secretary, Owen Paterson, who declared on the BBC's Any Questions that climate change was not real, and Michael Gove appears to be systematically removing its teaching from the education syllabus.
The episode has drawn comparisons to similar chapters in other countries: in Australia, thousands of Indigenous children were systematically removed from their families and communities between 1910 and 1970.
The survey reinforced the recent findings of the Warwick Commission, which found that arts and culture was being "systematically removed" from the state education system, and that arts audiences were predominantly white and middle class.
