"inconsistent by" is a grammatically correct phrase and can be used in written English
It is often used to show that something is not in agreement or does not match with other things. Here is an example: "The data collected from the experiment was inconsistent by the researcher's own standards, leading to inconclusive results." In this sentence, "inconsistent by" is used to indicate that the data from the experiment does not match with the researcher's own standards, causing confusion and causing the results to be inconclusive.
His once top-ranked team has been losing, and his play has grown somewhat inconsistent (by his standards, anyway).
Ronnie O'Sullivan held off a belated rally to beat Liang Wenbo 10-7 as he continued his quest for a fourth world title, although his overall performance was inconsistent by his high standards.
The only similar (futile) attempt was after the war of 1812, when the government set up a commission to compensate those who had lost property in British attacks.The fund is also inconsistent by nature.
Top-flight Wagner tenors are in short supply, and the inclusion of Mr. Heppner - who has been described as spectacular yet inconsistent by critics - was considered something of a coup.
Wildly inconsistent by nature – losing to the Bills at home a week ago then sacking Teddy Bridgewater eight times and intercepting him three in this victory – a rush led by Ezekiel Ansah and Ndamukong Suh could sustain a Detroit run and help avoid what was a devastating collapse at the end of 2013.
In the league, they had become poor and inconsistent by then.
US weed prohibition laws have changed in spurts since Oregon first decriminalized the plant in 1973, so they're inconsistent state-by-state, Johnson explains.
Wal-Mart has filed motions that sought to block the penalty by claiming inconsistent enforcement by OSHA and by questioning the constitutionality of using the "general duty" clause in this case.
Previous reports by the committee have highlighted an inconsistent approach by the agency to recording and following up on intelligence leads.
Inconsistency is coded as absent or present (at least one prolonged period of inconsistent parenting by either parent figure).
Inconsistent intervention by the courts has made for a complicated national voting landscape.
