The phrase "according to a three" is not correct and does not make sense in written English.
It seems to be an incomplete thought or a misphrasing, as it lacks clarity and context.
Example: "According to a three-part study, the results were conclusive."
Alternatives: "based on a trio" or "in line with a threefold analysis".
Experiments were designed and data was collected according to a three factor, three level face centered central composite design.
In another study by Nedelmann et al. [9] the cut-off value for insufficient valves was set to 0.88 sec according to a three time standard deviation of duration of backward flow in competent valves.
One model for this could be the Multi-state Tax Compact, which has operated in the United States since 1967, and which seeks to allocate the basis for profits taxes among U.S. states, according to a three factor formula that includes plant, employees and sales.
The chosen clusters for each Ks level were then labeled according to a three digit code (e.g. S-2.1, S-2.2,…, S-5.5) for further geographic and phenotypic characterization.
Selected arrays were normalized according to a three step procedure using the RMA expression measure algorithm (, [ 51]): RMA background correction convolution, median centering of each gene across arrays separately for each data set and quantile normalization of all arrays.
To our knowledge this represents the first experience in Italy in estimating prevalent cases and costs distribution according to a three- phase of care framework and linking, at individual level, CR information to the HDC database.
The study was conducted according to a three-way crossover design using six healthy human volunteers.
A panel of senior experts composed of four physicians, three head nurses and two pharmacists evaluated the severity of each error anonymously according to a three-category scale: no clinical impact, serious or significant clinical impact, life-threatening impact on the patient [ 35].
In this study eight different samples are prepared according to a three-factor experimental design.
Fig. 3 Consensus diagnosis by two physicians using std-SPECT/CT according to a three-category scale: M0: no bone metastasis; Me: changes observed on BS that could not be categorized as benign or malignant; and M1: bone metastases.
Twelve healthy male volunteers participated in the study conducted according to a three-way crossover design.
