Before the advent of the digital computer, the calculations necessary for planning land grading were time-consuming, a factor that restricted the alternatives available for final design.
There are instances where phylogeny helps to restrict the choice among alternative hypotheses of developmental mechanisms responsible for producing a given structural trait.
Interestingly, when restricting the alternative splicing analysis to the UTRs, the AA, AD, RI and SE classes are found to occur far more frequently in the 5'UTR than in the 3' UTR.
Alternative Medicare H.M.O.'s, like regular H.M.O.'s, restrict the choice of doctors and hospitals.
We can restrict the new mobility alternatives, or we can start working to achieve the objective that we share with the Government, the City Councils, the taxi sector, the VTC and Uber: that fewer private vehicles circulate on our streets every day".
Nevertheless, their argument suggests that it can be important to restrict the number of alternatives to be ranked and to pay special attention to how a respondent generates rankings.
The problem is that ad hoc constraints can inadvertently restrict the range of plausible alternatives, thereby limiting the model's uses as a policy tool.
State and local governments restrict the use of one possible alternative, septic systems, because of concern about the impact on ground water and water quality.
An alternative is to restrict the class of functions H over which one searches to minimize the mean square error of prediction, in the hope of finding an approximately optimal predictor that is much easier to evaluate.
An alternative is to restrict the sample to those who were employed prior to diagnosis.
Furthermore, the growing array of alternative bone-directed medications now available further restrict the estrogen niche.
