有人可以帮我吗?我想使用R制作一个Bland-Altman图,对于我的数据的两列,在下面的数据中列是前臂和前臂2,但我不知道如何.
>data_2 Sex Forearm Height Age Forearm2 1 Male 17 182 55 26 2 Male 18 185 103 28 3 Male 20 171 49 25 4 Male 18 176 58 25 5 Male 21 158 57 23 6 Female 21 155 43 25 7 Male 18 199 114 29 8 Male 19 176 90 25 9 Male 17 191 68 29 10 Male 23 176 52 25 11 Female 19 153 34 24 12 Female 19 160 56 26 13 Male 19 170 47 25 14 Male 22 178 62 25 15 Female 21 174 49 27 16 Male 22 162 40 24 17 Female 23 172 82 27 18 Female 19 185 99 28 19 Female 18 168 66 25 20 Female 17 155 45 24 21 Male 17 182 83 27 22 Female 17 164 42 25 23 Female 18 162 73 26 24 Male 18 185 68 28 25 Female 18 146 50 23 26 Female 23 169 47 25 27 Female 18 160 51 24 28 Female 18 170 69 25 29 Male 24 185 57 27 30 Male 24 167 46 24 31 Female 25 169 47 26 32 Female 24 164 50 25 33 Female 21 155 47 235 34 Female 24 158 37 24 35 Female 23 177 88 27 36 Female 23 155 36 24 37 Male 19 170 47 24 38 Female 21 170 48 26 39 Female 23 160 74 25 40 Male 21 180 100 26 41 Male 19 186 95 27 42 Male 21 181 65 26
我曾尝试使用我在互联网(维基百科)上找到的方法多次使用它,但我不知道哪里出错了.这是我到目前为止所做的,但我一直收到错误信息.
BAplot=function(data_2$forearm,data_2$forearm2){ (data_2$forearm,data_2$forearm2, xlab="Mean size(mm)", ylab="Difference(mm)", ylim=c(15,40), pch=42) abline(0,0)} Error: unexpected '$' in "BAplot=function(data_2$"
Jilber Urbin.. 6
如果您Bland-Altman plot using R
在谷歌上键入,您将找到'MethComp'包并查看内部有一个函数BlandAltman
,它正是您想要的.
> library(MethComp) > with(df, BlandAltman(Forearm, Forearm2)) NOTE: 'AB.plot' and 'BlandAltman' are deprecated, and likely to disappear in a not too distant future, use 'BA.plot' instead. Limits of agreement: Forearm - Forearm2 2.5% limit 97.5% limit SD(diff) -10.33333 -75.01517 54.34850 32.34092
注意BA.plot
功能已经存在,注意了NOTE
.它将产生以下情节:
如果您Bland-Altman plot using R
在谷歌上键入,您将找到'MethComp'包并查看内部有一个函数BlandAltman
,它正是您想要的.
> library(MethComp) > with(df, BlandAltman(Forearm, Forearm2)) NOTE: 'AB.plot' and 'BlandAltman' are deprecated, and likely to disappear in a not too distant future, use 'BA.plot' instead. Limits of agreement: Forearm - Forearm2 2.5% limit 97.5% limit SD(diff) -10.33333 -75.01517 54.34850 32.34092
注意BA.plot
功能已经存在,注意了NOTE
.它将产生以下情节: