Sentence examples for two of observations from inspiring English sources

Considering 24-hr concentrations, 57% of predictions fell within a factor of two of observations, and the correlation coefficient was 0.33 between observed and predicted concentrations (n = 263).

Predicted CO concentrations showed reasonable agreement with annual average and 24-hour measurements, e.g., 59% of the 24-hr predictions were within a factor of two of observations in the warmer months when CO emissions are more consistent.

For NO2 the model evaluation statistics gave 73% of the hourly concentrations within a factor of two of observations, a mean bias of −4.7 ppb and normalised mean bias of −0.17, a RMSE value of 17.7 and an r value of 0.58.

She said that he would probably be released after another day or two of observation.

When incoming patients reach Pilgrim State they receive a provisional diagnosis & are given immediate treatment, including drugs, interviews with doctors & occupational & recreational therapy plus a month or two of observation, before the final diagnosis.

This approach holds that few patients resolve after a day or two of observation; if this premise were true, protracted observation should see few patients resolve and some require resection for necrotic bowel after failed observation.

"So we are very reluctant," she said, "to make projections into the future" based on only two or three decades of observations.

Six pairs of observations, one pair per hemisphere, were entered into a paired-t test.

A similar pattern was observed for pollinated and unpollinated flowers in the two years of observations.

For the first two years of observations, the steadiest winds in both hemispheres flowed from the equator to the poles.

There is no clear reconciliation of these two sets of observations.