"can be gathered from" is a correct and commonly used phrase in written English.
It means that information or understanding can be acquired or obtained from the context or evidence presented. Example: The main argument of the article can be gathered from the author's use of statistics and examples to support their claims.
They involve a trade-off between the possibility of gathering data from statistically meaningful numbers and the level of idiographic detail that can be gathered from a single respondent.
Part of the answer can be gathered from observations of other animals.
Meals are simple and include ingredients that can be gathered from the wild or from the Dodges' garden.
But perhaps the clearest contrast and comparison can be gathered from the superbly iconoclastic ending to Coward's patriotic pageant Cavalcade.
Source material can be gathered from within the organisation; ask for stories and relevant situations from ethics ambassadors and business heads.
Information can be gathered from women who need to take medicines while pregnant, but researchers say that kind of study is not done often enough.
Little is known of Vitruvius' life, except what can be gathered from his writings, which are somewhat obscure on the subject.
Some idea of the economics involved can be gathered from the example of a Costa Rican reserve that made profits of more than $3m in its first six years of operation.
Nearly all reactors produce some plutonium as a byproduct of splitting atoms in two, and it can be gathered from spent fuel and mixed with uranium to make mox.
A word that does not stand directly for an impression has meaning only if it brings before the mind an object that can be gathered from an impression by one of the mental processes just mentioned.
Little is known of Moschopoulos' life except what can be gathered from his correspondence and a reference in a letter of one Maximus Planudes, who describes him as his pupil.
