The phrase "ascertaining the pattern of" is correct and usable in written English.
It can be used when discussing the process of identifying or determining a specific pattern in data, behavior, or any other context.
Example: "The researchers focused on ascertaining the pattern of consumer behavior over the last decade."
Alternatives: "determining the pattern of" or "identifying the pattern of".
Therefore, it is important to assess the relative contribution of age groups at different periods in order to ascertain the pattern of mortality change.
Due to the limited observations from the GT3X at the vigorous level, it was not possible to ascertain the pattern of differences between the two measurements from the Bland-Altman plots for this level of activity.
To better understand the evolutionary dynamics of OR genes in the primate lineage, we estimated the number of OR genes in the common ancestor of present-day primates and ascertained the pattern of gene gains and losses.
Ascertaining the patterns and determinants of soft-sediment biodiversity is critical to our overall understanding of coastal and marine processes.
This study was done to ascertain the pattern and outcome of respiratory diseases in children presenting to the paediatric emergency unit of the University of Nigeria Teaching Hospital, Enugu.
In such systems, pharmacy records provide a means to ascertain the pattern and timing of drug acquisition, as well as providing information on related factors, such as co-payment and prescription fill size.
Second, we sought to ascertain whether the pattern of hippocampal GM volume and memory profile observed in previous cross-sectional taxi driver studies would be induced and observable within the same participants as a result of acquiring "the Knowledge".
To ascertain whether the pattern of missing paternal characteristics is associated with poor social conditions, we examined the association between missing paternal characteristics and placenta previa and placental abruption stratified by marital status, and maternal smoking.
To ascertain whether the pattern of body composition alteration during tumour development is influenced by aging as in uncomplicated starvation, we compared the difference of body composition between Yoshida sarcoma bearing rats and young (200 g, 7 weeks) and adult (400 g, 13 weeks) control rats.
