English 中文(简体)
列表中的相应内容
原标题:How can I merge recursively the corresponding elements of a List of Lists
  • 时间:2012-05-24 16:19:44
  •  标签:
  • r

示例示例示例示例

a
[[1]]
[[1]]$`1`
    ID     Values
1   4     160.08858
2   8     83.35774
3   30    51.21873
4   38    54.92554
5   44    77.06082

[[1]]$`2`
    ID     Values
1   4     0.08858
2   8     183.35774

[[2]]
[[2]]$`1`
    ID     Values
3   30    51.21873
4   38    54.92554
5   44    77.06082

[[2]]$`2`
    ID     Values
1   4     0.08858
2   8     183.35774
3   30    51.21873
5   44    77.06082

[[3]]
[[3]]$`1`
    ID     Values
5   44    77.06082

[[3]]$`2`
    ID     Values
1   4     0.08858
3   30    51.21873

我希望有一个清单,其中第一个要素相同,但第一个清单第二要素与第一个要素清单合并,第二个要素与第二个要素清单的第一个清单合并,第二个要素与第二个要素合并,第一个数据框架与前一个要素清单的前两个数据框架合并,第二个要素与第二个要素合并。

成果成果应该

RESULT
[[1]]
[[1]]$`1`
    ID     Values
1   4     160.08858
2   8     83.35774
3   30    51.21873
4   38    54.92554
5   44    77.06082

[[1]]$`2`
    ID     Values
1   4     0.08858
2   8     183.35774

[[2]]
[[2]]$`1`
    ID     Values
3   30    51.21873
4   38    54.92554
5   44    77.06082
1   4     160.08858
2   8     83.35774
3   30    51.21873
4   38    54.92554
5   44    77.06082


[[2]]$`2`
    ID     Values
1   4     0.08858
2   8     183.35774
3   30    51.21873
5   44    77.06082
1   4     0.08858
2   8     183.35774


[[3]]
[[3]]$`1`
    ID     Values
5   44    77.06082
3   30    51.21873
4   38    54.92554
5   44    77.06082
1   4     160.08858
2   8     83.35774
3   30    51.21873
4   38    54.92554
5   44    77.06082


[[3]]$`2`
    ID     Values
1   4     0.08858
3   30    51.21873
1   4     0.08858
2   8     183.35774
3   30    51.21873
5   44    77.06082
1   4     0.08858
2   8     183.35774
最佳回答

这应该能解决问题。 (我还没有在输出中粘贴过,因为输出如此无穷无尽,而且很容易在您自己的控制台上复制。 )

# Create some analogous data
df <- data.frame(ID=LETTERS[1:6], Values=5*(1:6), stringsAsFactors=FALSE)
DL <- list(list(`1`=df[1,], `2`=df[2,]),
           list(`1`=df[3,], `2`=df[4,]),
           list(`1`=df[5,], `2`=df[6,]))

# Build a function that does what you want for a pair of inputs
myrbind <- function(x, y) {
    mapply(rbind, y, x, SIMPLIFY=FALSE)
}
myrbind(DL[[1]], DL[[2]]) # Try it out

# Use Reduce to make the merges accumulate as it works through the list.
Reduce(f = myrbind, x = DL, accumulate = TRUE)
问题回答

暂无回答




相关问题
How to plot fitted model over observed time series

This is a really really simple question to which I seem to be entirely unable to get a solution. I would like to do a scatter plot of an observed time series in R, and over this I want to plot the ...

REvolution for R

since the latest Ubuntu release (karmic koala), I noticed that the internal R package advertises on start-up the REvolution package. It seems to be a library collection for high-performance matrix ...

R - capturing elements of R output into text files

I am trying to run an analysis by invoking R through the command line as follows: R --no-save < SampleProgram.R > SampleProgram.opt For example, consider the simple R program below: mydata =...

R statistical package: wrapping GOFrame objects

I m trying to generate GOFrame objects to generate a gene ontology mapping in R for unsupported organisms (see http://www.bioconductor.org/packages/release/bioc/vignettes/GOstats/inst/doc/...

Changing the order of dodged bars in ggplot2 barplot

I have a dataframe df.all and I m plotting it in a bar plot with ggplot2 using the code below. I d like to make it so that the order of the dodged bars is flipped. That is, so that the bars labeled "...

Strange error when using sparse matrices and glmnet

I m getting a weird error when training a glmnet regression. invalid class "dgCMatrix" object: length(Dimnames[[2]]) must match Dim[2] It only happens occasionally, and perhaps only under larger ...

Generating non-duplicate combination pairs in R

Sorry for the non-descriptive title but I don t know whether there s a word for what I m trying to achieve. Let s assume that I have a list of names of different classes like c( 1 , 2 , 3 , 4 ) ...

Per panel smoothing in ggplot2

I m plotting a group of curves, using facet in ggplot2. I d like to have a smoother applied to plots where there are enough points to smooth, but not on plots with very few points. In particular I d ...

热门标签