去势正态分布Q-Q图-2 Detrended Normal Q-Q Plot of空腹血清胰岛素样 男性 2.0 1.5 10期望正态分布直线 口 00 Observed value
Detrended Normal Q-Q Plot of 空腹血清胰岛素样生长因子-1 男性 Observed Value 0 200 400 600 800 1000 Dev from Normal 2.0 1.5 1.0 .5 0.0 -.5 去势正态分布Q-Q图-2 期望正态分布直线
均数箱图 1200 奇异值 昏1000 15 16 800 600 木 400 P25P75 200 P5均值 -200 女性 男性 性别
N = 66 83 性 别 女性 男性 空腹血清胰岛素样生长因子- 1 1200 1000 800 600 400 200 0 -200 115 79 142 78 16 15 均数箱图 奇异值 P50均值 P25-P75
分布自然对数-水平自然对数散点图 Spread vs Level Plot of IGF_ 1F By sEX 5.4 5.2 5.1 5.0 5.2 5.5 Plot of Ln of Spread vs ln of Level Slope =2.063 Power for transformation =-1.063 数据转换力度不接近0,表示要使两组方差齐性,需做数据转换
Spread vs. Level Plot of IGF_1F By SEX * Plot of LN of Spread vs LN of Level Slope = 2.063 Power for transformation = -1.063 Level 5.2 5.3 5.4 5.5 Spread 5.5 5.4 5.3 5.2 5.1 5.0 分布自然对数-水平自然对数散点图 数据转换力度不接近0，表示要使两组方差齐性，需做数据转换
数据转换ma Descriptive Continue a Factor levels together M Stem-and-leaf C Dependents together F Histogram Cancel Help v Normality plots with tests Spread vs Level with Levene Test C Non 选择自然 C Power estimation 基于均数的显 对数转换 C Transformed Power:Natural log 著性为0.135> C Untransformed 0.05,表示接 受两组均数方 差的假设 经数据转换后的方差正态齐性检验 Test of Homogeneity of variance Levene Statistic df1 df2 si 空腹血清胰岛 Based on mean 2.262 147 135 素样生长因子1 Based on median 2.422 147 122 Based on median and with adjusted df 2.422 1142127 122 Based on trimmed mean 2.351 147 127
数据转换 Test of Homogeneity of Variance 2.262 1 147 .135 2.422 1 147 .122 2.422 1 142.127 .122 2.351 1 147 .127 Based on Mean Based on Median Based on Median and with adjusted df Based on trimmed mean 空腹血 清胰岛 素样生 长因子-1 Levene Statistic df1 df2 Sig. 经数据转换后的方差正态齐性检验 选择自然 对数转换 基于均数的显 著性为0.135> 0.05，表示接 受两组均数方 差的假设
Spread vs Level Plot of IGF_1F By SEX 8 Leve Data transformed using P Slope = 893
Spread vs. Level Plot of IGF_1F By SEX * Data transformed using P = Slope = .893 Level 5.2 5.3 5.4 5.5 Spread 1.0 .9 .8 .7