The phrase "a substantial assignment" is correct and usable in written English.
It can be used when referring to a task or project that is significant in size, importance, or complexity.
Example: "The professor gave us a substantial assignment that will require weeks of research and preparation."
Alternatives: "a significant task" or "a major project".
Giuseppe Penasso, who was not in our episode but has played principal roles in a number of others (a favorite: James Dean in a "Mysteries at the Museum" episode), said a serious actor would prepare for one of these shoots just as he would for a more substantial assignment, including researching the real individuals behind the parts.
Rather than assigning something different every night, it is wise to assign one or two more substantial assignments on Monday and then collect these assignments on Friday.
Exhibit A: In my writing seminar, our class was tasked with completing six substantial assignments just over Thanksgiving break.
It needs to have substantial assignments and assessments.
Marks were awarded for a substantial, follow-up summative assignment to test their understanding of the threshold concept.
There was a substantial mismatch in the assignment of mitochondrial haploytpes and ancestry based on microsatellite data.
A substantial number of different assignment proportions was tested (10%to95%5% of the total dataset), to ensure a broad representation of sampling across the dataset.
Other clustering procedures may involve additional parameter choices that can have a substantial effect on cluster assignments (e.g. the choice of k in k-means clustering) [ 1, 5].
This was a lengthy and complex assignment worth a substantial portion of the course grade.
While the COX variable had similar mortality rates to WGCNA and WGCNA*, there was a substantial 35% difference in the assignment of patients to mortality groups (Table 3, Additional File 1).
