The phrase "almost determined by" is correct and usable in written English.
It can be used when discussing factors that significantly influence or shape an outcome, but not entirely dictate it.
Example: "The success of the project is almost determined by the team's collaboration and communication."
Alternatives: "largely influenced by" or "primarily shaped by".
And on Sunday, it seemed as if the blustery gusts would once again assist the Mets as the Giants failed to catch two balls, both hit by Bay, that almost determined the outcome of the game.
GC levels in third positions are almost free of constraints at the protein level, while those in second positions are almost completely determined by the gene product.
It is found that the optimum length is almost uniquely determined by the dopant concentration of Yb-doped fiber, and the plus of these two parameters are a constant almost unvaried with other parameters of Yb-doped fiber.
Interestingly, research has shown that the amount we tip is almost never determined by the quality of service but, rather, by our over-all moods.
"The success of his first term will be almost solely determined by whether he can return the country's economic footing".
But shares are about three times as volatile as government bonds, so the performance of these portfolios is almost entirely determined by the performance of the stock market.
All this is being put at risk, as a result of craven acceptance of an "advisory" referendum whose result was almost certainly determined by the false prospectus offered by the Brexiters.
But I wish she had pointed out that one's particular religious beliefs are almost always determined by one's parents, in a process of enculturation that has little to do with thought, choice or revelation.
As my colleague Chalkboard Bobby Smyth pointed out in ">this informative article, their progress in this tournament will almost certainly determined by strikers Diego Forlan and Luis Suaraz, who have scored 70-odd goals between them this season.
In confirmation of that idea, a study of 9- to 12-year-old British twins published last year determined that, while the children's fidgetiness and enjoyment of activity were dependent on heredity, their actual levels of movement were almost wholly determined by their environment, and in particular by the actions and attitudes of their teachers and parents.
