Sentences with phrase «influence of outliers»

Change in weight and change in intake of fruits and vegetables were truncated at the 0.5 th and 99.5 th percentiles to minimize the influence of outliers.

Not exact matches

I have a more - than - healthy respect for the way that a single outlier experimental run can continue to influence both evaluations of an entire set of the same experiment and the design of later experiments, such as determining whether a particular single - instance determination of the level of 9 - nor - delta tetrahydrocannabinate indicates prior use of Certain Substances all by itself... or requires a similar result from a retest of the same sample.

The trends in the SLP gradient do not look they would survive a robust trend determination to eliminate the influence of the obvious late outliers.

In fact, Cane et al (1997) argue that the tendency toward increased SST gradient is precisely what is seen if one uses a robust trend analysis to decrease sensitivity of the trend analysis to outliers such as the very large 1982/1983 El Nino event (this event, and the equally large 1997/1998 El Nino event, greatly influence the estimate of a weakening trend of the Walker circulation in Vecchi et al).

Based on movies the adolescent had seen, movie reckless driving exposure was calculated as the proportion of the characters they had seen that had engaged in reckless driving and trimmed at the 95th percentile to limit high outlier influence [40].

Prior to conducting the main analysis of hierarchical regression, the data were checked for outliers that might show undue influence in some analyses.