R:如何从for循环而不是索引输出因子级别?
我有一个数据框,我正在运行蒙特卡罗模拟,使用for循环生成模拟分布。当我测试模拟代码时,我只是访问数据帧中的第一个观察值:R:如何从for循环而不是索引输出因子级别?,r,for-loop,simulation,factors,R,For Loop,Simulation,Factors,我有一个数据框,我正在运行蒙特卡罗模拟,使用for循环生成模拟分布。当我测试模拟代码时,我只是访问数据帧中的第一个观察值: Male.MC <-c() for (j in 1:100){ for (i in 1:1) { # u2 <- Male.DistF$Male.stddev_u2[i] * rnorm(1, mean = 0, sd = 1) u2 <- Male.DistF$RndmEffct[i] * rnorm(1, me
Male.MC <-c()
for (j in 1:100){
for (i in 1:1) {
# u2 <- Male.DistF$Male.stddev_u2[i] * rnorm(1, mean = 0, sd = 1)
u2 <- Male.DistF$RndmEffct[i] * rnorm(1, mean = 0, sd = 1)
mc_bca <- Male.DistF$lmefits[i] + u2
temp <- Lambda.Value*mc_bca+1
ginv_a <- temp^(1/Lambda.Value)
d2ginv_a <- max(0,(1-Lambda.Value)*temp^(1/Lambda.Value-2))
mc_amount <- ginv_a + d2ginv_a * Male.DistF$Male.var[i]^2 / 2
z <- c(RespondentID <- Male.DistF$RespondentID[i],
Male.DistF$AgeFactor[i], Male.DistF$SampleWeight[i],
Male.DistF$Male.var[i], Male.DistF$lmefits[i], u2, mc_amount)
Male.MC <- as.data.frame(rbind(Male.MC,z))
}
}
colnames(Male.MC) <- c("RespondentID", "AgeFactor",
"SampleWeight", "VarByAge",
"lmefits", "u2", "mc_amount")
如何使'Male.MC1数据框包含这两个变量的因子级别?我试过:
z <- c(RespondentID <- as.character(Male.DistF$RespondentID[i]),
Male.DistF$AgeFactor[i], Male.DistF$SampleWeight[i],
Male.DistF$Male.var[i], Male.DistF$lmefits[i], u2, mc_amount)
对于测试,这里是输入数据帧的前几行Male.DistF
:
AgeFactor RespondentID SampleWeight IntakeAmt RndmEffct NutrientID Gender Age BodyWeight IntakeDay BoxCoxXY lmefits lmeres TotWts GrpWts NumSubjects TotSubjects Male.var
1725 9to13 100020 0.4952835 12145.852 0.30288536 267 1 12 51.6 Day1Intake 15.61196 15.22634 0.27138449 2291.827 763.0604 525 2249 0.4189871
203 14to18 100419 0.3632839 9591.953 0.02703093 267 1 14 46.3 Day1Intake 15.01444 15.31373 -0.18039624 2291.827 472.3106 561 2249 0.3365423
Lambda.Value
为0.1
。
Male.DistF
的信息如下:
str(Male.DistF)
'data.frame': 2249 obs. of 18 variables:
$ AgeFactor : Ord.factor w/ 4 levels "1to3"<"4to8"<..: 3 4 3 4 2 2 3 1 1 3 ...
$ RespondentID: Factor w/ 2249 levels "100020","100419",..: 1 2 3 4 5 6 7 8 9 10 ...
$ SampleWeight: num 0.495 0.363 0.495 1.326 2.12 ...
$ IntakeAmt : num 12146 9592 7839 11113 7150 ...
$ RndmEffct : num 0.3029 0.027 0.0772 0.4667 -0.1593 ...
$ NutrientID : int 267 267 267 267 267 267 267 267 267 267 ...
$ Gender : int 1 1 1 1 1 1 1 1 1 1 ...
$ Age : int 12 14 11 15 6 5 10 2 2 9 ...
$ BodyWeight : num 51.6 46.3 46.1 63.2 28.4 18 38.2 14.4 14.6 32.1 ...
$ IntakeDay : Factor w/ 2 levels "Day1Intake","Day2Intake": 1 1 1 1 1 1 1 1 1 1 ...
$ BoxCoxXY : num 15.6 15 14.5 15.4 14.3 ...
$ lmefits : num 15.2 15.3 15 15.8 14.3 ...
$ lmeres : num 0.271 -0.18 -0.342 -0.424 -0.053 ...
$ TotWts : num 2292 2292 2292 2292 2292 ...
$ GrpWts : num 763 472 763 472 779 ...
$ NumSubjects : int 525 561 525 561 613 613 525 550 550 525 ...
$ TotSubjects : int 2249 2249 2249 2249 2249 2249 2249 2249 2249 2249 ...
$ Male.var : num 0.419 0.337 0.419 0.337 0.267 ...
str(男性DistF)
“data.frame”:2249 obs。在18个变量中:
$AgeFactor:Ord.factor w/4级“1to3”您可以尝试替换该行
z <- c(...
z谢谢你的回答,它工作得很好。我在RespondentID
和AgeFactor
变量上使用了as.character
强制输出我想要的结果。这件事让我头痛了好几个小时。:)
AgeFactor RespondentID SampleWeight IntakeAmt RndmEffct NutrientID Gender Age BodyWeight IntakeDay BoxCoxXY lmefits lmeres TotWts GrpWts NumSubjects TotSubjects Male.var
1725 9to13 100020 0.4952835 12145.852 0.30288536 267 1 12 51.6 Day1Intake 15.61196 15.22634 0.27138449 2291.827 763.0604 525 2249 0.4189871
203 14to18 100419 0.3632839 9591.953 0.02703093 267 1 14 46.3 Day1Intake 15.01444 15.31373 -0.18039624 2291.827 472.3106 561 2249 0.3365423
str(Male.DistF)
'data.frame': 2249 obs. of 18 variables:
$ AgeFactor : Ord.factor w/ 4 levels "1to3"<"4to8"<..: 3 4 3 4 2 2 3 1 1 3 ...
$ RespondentID: Factor w/ 2249 levels "100020","100419",..: 1 2 3 4 5 6 7 8 9 10 ...
$ SampleWeight: num 0.495 0.363 0.495 1.326 2.12 ...
$ IntakeAmt : num 12146 9592 7839 11113 7150 ...
$ RndmEffct : num 0.3029 0.027 0.0772 0.4667 -0.1593 ...
$ NutrientID : int 267 267 267 267 267 267 267 267 267 267 ...
$ Gender : int 1 1 1 1 1 1 1 1 1 1 ...
$ Age : int 12 14 11 15 6 5 10 2 2 9 ...
$ BodyWeight : num 51.6 46.3 46.1 63.2 28.4 18 38.2 14.4 14.6 32.1 ...
$ IntakeDay : Factor w/ 2 levels "Day1Intake","Day2Intake": 1 1 1 1 1 1 1 1 1 1 ...
$ BoxCoxXY : num 15.6 15 14.5 15.4 14.3 ...
$ lmefits : num 15.2 15.3 15 15.8 14.3 ...
$ lmeres : num 0.271 -0.18 -0.342 -0.424 -0.053 ...
$ TotWts : num 2292 2292 2292 2292 2292 ...
$ GrpWts : num 763 472 763 472 779 ...
$ NumSubjects : int 525 561 525 561 613 613 525 550 550 525 ...
$ TotSubjects : int 2249 2249 2249 2249 2249 2249 2249 2249 2249 2249 ...
$ Male.var : num 0.419 0.337 0.419 0.337 0.267 ...
z <- c(...
z <- data.frame(
RespondentID = Male.DistF$RespondentID[i],
AgeFactor = Male.DistF$AgeFactor[i],
SampleWeight = Male.DistF$SampleWeight[i],
VarByAge = Male.DistF$Male.var[i],
lmefits = Male.DistF$lmefits[i],
u2 = u2,
mc_amount = mc_amount
)