The phrase "are split according to" is correct and usable in written English.
It can be used when describing how something is divided or categorized based on specific criteria or factors.
Example: "The participants in the study are split according to their age groups to analyze the results more effectively."
Alternatives: "are divided based on" or "are categorized according to".
Patients are split according to their immune-evasion capacity status.
The advisers are split, according to several people briefed on the deliberations: Vice President Pence and Office of Management and Budget Director Mick Mulvaney have argued against intervention, while Health and Human Services Secretary Tom Price backs providing federal support if a conservative health-care bill fails to pass this summer.
All expenses are split according to the ownership ratios.
The data span 9 years, from 2007 to 2016, and are split according to the 18 major categories of arXiv.
In the second step (split point 2 in Fig. 2), ROI are split according to their intensity values of the green layer into completely bright regions and regions that enclose dark areas.
Data are split according to training level; corresponding figures for apprentices who volunteered to participate to the exposure measurements are in the last column.
Public opinion in Iceland about the case is split, according to Hannes Holmsteinn Gissurarson, a professor at the University of Iceland.
The qpphase task generates a QPOE files with an additional event attribute, phase, that then allows the data to be split according to phase.
Even the majority was split, according to an executive summary of the report, a copy of which was obtained by The New York Times.
It is shown how the sums of squares can be split according to blocks introduced and also how two-way ANOVA applied to cross-validated residuals, can be utilised for testing significance of the blocks.
To avoid detector crosstalk, the red channel fluorescence signal was split according to its TCSPC pattern (exponential for the signal generated by the pulsed laser and flat for the 633 nm continuous wave laser) into two contributions and only the signal assigned to the flat TCSPC profile was correlated.
