Meaning of chi-by-eye | Babel Free

Definitions

the practice of deciding between statistical models based on a plot, rather than a formal procedure.

humorous, uncountable

Examples

“They deem a fit acceptable if a graph of data and model "looks good." This approach is known as chi-by-eye. Luckily, its practitioners get what they deserve.”

“Their business prospects and earnings are correlated, and this can be observed by visually plotting their stock prices. Statisticians often call this "chi by eye."”

CEFR level