expression
according to; by means of; due to; because of
Formal or written expression equivalent to によって. Used to indicate cause, means, or basis. Often follows nouns or noun phrases.
See also: によって
天候により、イベントは中止になる場合があります。
Depending on the weather, the event may be canceled.
この資料は専門家の分析により作成されました。
This document was prepared based on analysis by experts.
地震により多くの建物が倒壊した。
Many buildings collapsed due to the earthquake.
により is a more formal or written variant of によって. Both express cause, means, or basis, but により is preferred in formal documents, news, and academic writing.
Compound of the particle に and the continuative form より of the classical verb よる (因る・依る), meaning 'to be based on' or 'to be due to'.