Sentences with phrase «nonparametric tests»

Due to the nonnormality of the distribution, we compared results from both parametric and nonparametric tests.

All statistical analyses were performed with SPSS for Windows software (V9.0) using a nonparametric test (the Kruskall - Wallis test) followed by post hoc analysis (the Mann - Whitney U-test).

Streamflow trends were statistically determined for each station using the Mann - Kendall nonparametric test at a 10 % significant level, combined with a field significance test.

Not exact matches

We compared socio - demographic and pregnancy - related characteristics among the three study groups using chi - square tests for categorical variables, analysis of variance (ANOVA) for normally distributed continuous variables and the nonparametric Kruskal - Wallis test for continuous variables that were not normally distributed.

Quality of life was significantly higher in participants randomized to the intervention group, who demonstrated a statistically and clinically meaningful increase in QOL at 12 weeks (P <.05 using the nonparametric Wilcoxon test).31, 32 Median survival was almost 5 months longer in the intervention group.

Analysis of baseline data using an ANOVA for parametric data and a Kruskal — Wallis test for nonparametric data showed that all groups were equivalent on all sleep measures (i.e., time needed to fall asleep, number and length of night - time awakenings, total time asleep, fatigue level next day).

A nonparametric framework for comparing trends and gaps across tests.

«Nonparametric Estimation and Testing of Stochastic Discount Factor.»

For me, the most important part of the study is the finding that «The nonparametric monotonicity relation test indicates that the differences in the total return of the equal - weighted portfolio and the value - and price - weighted portfolios is monotonically related to size, price, liquidity and idiosyncratic volatility.»

An Ansari - Bradley test with a nonparametric method for dispersion yielded p = 0.637, showing no significant difference in dispersion, and we performed a factor analysis.