Where measured values obtained together (having small separations in time and space) have highly correlated errors, whereas errors in measurements separated by longer space-time scales are independent and uncorrelated. Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Homepage Comment * CAPTCHAThis question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Math question * 7 + 7 = Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.