"incomplete performance" is correct and usable in written English.
You can use it when referring to a task that was not fully completed or done to an expected level of quality. For example, "The student's incomplete performance on the exam resulted in a low grade."
"Implications of Incomplete Performance for Optimal Insurance". Economica, Vol. 71 (November 2004): 661-670.
For substantial performance, the plaintiff should recover the contract price less the damages caused the defendant by the incomplete performance.
Are there open supervisory issues or incomplete performance of supervisory agreements that make it prudent to not pursue M&A opportunities until these are resolved?
The errors should include both the statistical errors (due to finite sampling) and the estimated systematic errors (for example, due to the use of incomplete performance yardsticks).
Conversely, linking incentives to the SPMS can result in various dysfunctional behaviors, including game playing by employees, the achievement of unbalanced performance, and the potential of basing compensation on an incomplete performance measurement system.
This is true even for incomplete performance indicators as long as managers can handle these indicators in a flexible way, treating them as means rather than ends when carrying out their work.
'Our job is to design something that's incomplete without performance". Vicki Mortimer makes it sound simple, but that belies the architectural sophistication and bone-deep emotional impact of her designs for theatre, dance and opera.
Depp later joined Colin Farrell and Jude Law in contributing an alternate portrayal of Heath Ledger's character to The Imaginarium of Doctor Parnassus (2009), a conceit engineered to salvage Ledger's incomplete final performance and made plausible by the fantasy premise of the film.
The problem is that the screening could have been conducted by considering incomplete safety performance indicators (i.e. only accident frequencies, if enough data were not available).
Data for four incomplete covariates (performance status, albumin, grade and residual disease) from an ovarian cancer study [ 27] provided empirical evidence of realistic patterns and frequencies of missing data and associations between the missingness of each covariate.
The defendants claim some 20 other items of incomplete or faulty performance by the plaintiff and no substantial performance because the cost of completing the house in strict compliance with the plans and specifications would amount to 25 or 30percentnt of the contract price.
