Once anything is added into the ledger, a record cannot be modified and it is very difficult to falsify entries.
Swapping two jobs in a schedule, for example, is conceptually rather simple and easily implemented in an activity list encoding, whereas in a direct binary encoding of a schedule, potentially, many different variables must be modified and it can be difficult to achieve feasibility again.
In consequence, the majority of reasoning systems are complicated constructions, difficult to modify and to transfer from one environment to another.
In contrast, religiosity and personality are difficult to modify and screening for these is normally useful only for research.
In the context of HH, despite the described efforts, the behaviour of HCPs is difficult to modify and that quarterly audits may have not been sufficient to alter their behaviour.
The individual factors that had a role in predicting the outcome are difficult to modify and should probably suggest greater need for assistance in the nutrition care process, as well as a more frequent and in-depth assessment of malnutrition risk.
The all-encompassing obsession with Monsanto has made rational discussion of the risks and benefits of genetically modified products difficult.
Onychophagia is reported to be a difficult behavior to modify and the treatment results are not as impressive as initially reported [ 20].
The game was modified to compare difficult (4-arrow), simple (2-arrow), and stepping conditions.
Since the modified equation is difficult to solve analytically, we make use of the numerical scheme to solve this new equation.
