The phrase "lack of required" is correct and can be used in written English.
This phrase is used to indicate something that is needed, but is absent or not present. For example, "The lack of required information prevented us from completing the project."
This should come as no surprise given that, by expanding the underlying assumptions, many algorithms are implicitly restricting their applicability, either because of hardware limitations, lack of required information or plain inadequacy to the network structure, requirements or movement patterns.
Other violations included a lack of required guidelines at the medical center for conducting research on vulnerable subjects, such as prisoners and children.
Among the challenges faced by many SMEs in Oman are the lack of required knowledge of business, lack of modern managerial and administrative skills and limited knowledge of how to deal with officials, regulations and required bureaucracy.
Despite the general lack of required reforms, banks involved in TARP "direct purchase programs" did have one important limit imposed on them: their incentive compensation must not encourage executives to take "excessive risks that threaten the value" of the organization.
This lack of required assessments raises concerns about the consistency of global nuclear practices and decreases confidence that nuclear materials and assets in all countries are safe and secure.
Further, no proposal has been put forth that would in any way impede any investigation into criminal charges; state-mandated complaint policies and processes for sexual, racial, ethnic, religious or other state-prohibited discrimination; or state-mandated policies and complaint procedures covering safety, physical disrepair or lack of required instructional material.
At that time, lack of refrigeration required curing or marinating fish to preserve its texture.
Ninety percent of the violations cited a lack of the required fencing.
Urban use is limited because of the more stringent health regulations and the lack of space required for compost storage.
However, clinical translation of hiPSC-derived hematopoiesis remains hampered by (i) insufficient knowledge about in vivo functionality and (ii) lack of therapeutically required quantities of effector cells.
The crux of the problem is the lack of disclosure required from counterparties to trades and the clearing members who ultimately process these transactions.
