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caroly77

½ð³æ (СÓÐÃûÆø)

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m1<-lm(resp~dose,data=datanew)
lines(fitted(m1)~dose,data=datanew,col="red"
Ò»Ö±³öÏÖÕâÑùµÄ´íÎó ¡°ÎóÓÚplot.xy(xy.coords(x, y), type = type, ...) : »¹Ã»Óе÷ÓÃplot.new ¡±
Êý¾Ý¸ñʽÊÇÕâÑùµÄ
dose   resp
1         0.2
1         0.3
2         0.5
2         0.53
3         0.7
3         0.9
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harryzs

Í­³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

.....
m1<-lm(resp~dose,data=datanew)
plot(datanew$resp,datanew$dose)
lines(fitted(m1)~dose,data=data,col="red"
.........
2Â¥2011-09-30 00:19:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jjdg

°æÖ÷ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

xzhdty: ллjjdg°ß°ß 2011-10-02 21:17:47
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3Â¥2011-09-30 12:40:55
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mmjjwanm

½ð³æ (ÕýʽдÊÖ)

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xzhdty(½ð±Ò+1): »¶Ó­³£À´³ÌÐòÓïÑÔ¿´¿´ 2011-10-02 21:17:26
caroly77(½ð±Ò+10): лл Ó¦¸ÃÊÇÄã˵µÄµÚ¶þµãµÄÄÇÀï ÎÒûÓÐ×¢Òâ ³ö´íÁË 2011-10-06 18:38:46
1£©Â¥Ö÷³ÌÐòÖÐÄâºÏµÄÊÇÖ±Ï߻ع飬²»ÊǶàÏîʽ»Ø¹é£¬ÈôÓöàÏîʽ»Ø¹éÓÃÁ½ÖÖ·½Ê½£ºa) lm(y~x+x^2)ÀàËÆ£»b)lm(y ~ poly(x, 2))ÀàËÆ£¨½×Êý×Ô¼ºµ÷Õû£©¡£

2£©linesÊôÓڵͲã´Î»æÍ¼£¬Ö»ÄÜÌí¼ÓÔÚÒѾ­»æÖƵÄͼÉÏÃæ£¬Ó¦¸ÃÏÈÓÃplot»æÖƳöÉ¢µãͼ£¬ÔÚÓÃlinesÌí¼ÓÇúÏß¡£

ÀýÈ磺

dose<-c(1,1,2,2,3,3)
resp<-c(0.2,0.3,0.5,0.53,0.7,0.9)

m1<-lm(resp~dose)
plot(dose,resp)
vec<-seq(1, 3, by=0.2)
lines(vec,-0.02833+0.275*vec,col="red" #ÄâºÏµÄÄ£ÐÍ

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4Â¥2011-09-30 23:53:51
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