The phrase "according to their dates" is correct and usable in written English.
It can be used when referring to information or events that are organized or categorized based on specific dates.
Example: "The documents were filed according to their dates to ensure easy retrieval."
Alternatives: "based on their dates" or "in accordance with their dates".
Note that another option (not retained here) could have been to weigh the data according to their dates.
Each participating individual contributed person-time according to their dates of residence within the Demographic Surveillance System from October 1, 2006 - September 30 , 2008[ 16]. 95% confidence intervals were calculated for crude rates using Fisher's method (Computer Programs for Epidemiologists, PEPI, version 4.0x) and for extrapolated rates using the delta method [ 21].
Patients were allocated to one of two sequences according to their date of birth: (1) std-SPECT, low-dose CT followed by UF-SPECT, or (2) UF-SPECT, low-dose CT followed by std-SPECT.
These neuron types are specified according to their date of birth by temporal identity factors, such as chinmo [44].
These proteins are encoded by PEX genes and were numbered according to their date of discovery (Lanyon-Hogg et al., 2010; Wolf et al., 2010).
To relate weed phenology to the level of pollination by the crop, we grouped the mother plants into 9 discrete classes according to their date of flowering onset and computed within each class the mean value of P c.
Trials using an unpredictable allocation sequence were considered as randomised, trials using potentially predictable allocation mechanisms, such as alternation or the allocation of patients according to their date of birth, were considered as quasi-randomised.
This code consisted of a centre code (BLQ for Bologna and BON for Bonn) together with a three digit number (001, 002, etc).. Patients were numbered according to their date of inclusion.
In order to evaluate the effect of the learning curve, we sorted the patients' data records according to their date of surgery and used chi-squared testing to compare the proportion of re-tears in the first 100 patients of each operative group with that of the second 100 patients.
The EAC noted that the comparator studies mostly preceded the E-vita open plus studies according to their date of publication and, furthermore, the comparator studies were all conducted in the US whereas the E-vita open plus studies were all conducted in Europe.
