I am just using the first two components of your output.

> op
$bp
         chr  pos ci.low ci.high  lod
c7.loc45   7 47.7  36.71    56.7 6.11
c15.loc8  15 12.0   3.96    22.8 5.29

$hr
          chr  pos ci.low ci.high  lod
c2.loc54    2 59.8   14.8    87.8 4.19
D15MIT184  15 22.8   12.0    36.0 3.15

>
> result <- lapply(names(op), function(x){
+   col1 <- x
+   col2 <- row.names(op[[x]])
+   mat <- op[[x]]
+   row.names(mat) <- NULL
+   rval <- cbind(col1, col2, mat)
+   names(rval) <- c("trait", "locus", names(mat))
+   rval
+ })
>
> result
[[1]]
  trait    locus chr  pos ci.low ci.high  lod
1    bp c7.loc45   7 47.7  36.71    56.7 6.11
2    bp c15.loc8  15 12.0   3.96    22.8 5.29

[[2]]
  trait     locus chr  pos ci.low ci.high  lod
1    hr  c2.loc54   2 59.8   14.8    87.8 4.19
2    hr D15MIT184  15 22.8   12.0    36.0 3.15

>

Is this what you are looking for?  I hope this helps.

Chel Hee Lee


On 01/19/2015 02:14 PM, Shuhua Zhan wrote:
Dear All,
I'd like to add a list name into the list contents to make a new output. The list is a 
list of data.frame derived from summary command in Rqtl. I want to add this list name to 
the data frame with a given column name such as "trait" and output this entire 
list as a table tab delimited as below.
Here is the list generated by summary command in Rqtl:
summary(out.all, threshold=3, format="tabByCol")
bp:
          chr  pos ci.low ci.high  lod
c7.loc45   7 47.7  36.71    56.7 6.11
c15.loc8  15 12.0   3.96    22.8 5.29

hr:
           chr  pos ci.low ci.high  lod
c2.loc54    2 59.8   14.8    87.8 4.19
D15MIT184  15 22.8   12.0    36.0 3.15

bw:
           chr pos ci.low ci.high  lod
c15.loc16  15  20     11      30 6.75

heart_wt:
           chr  pos ci.low ci.high  lod
c12.loc49  12 51.2   28.2    62.2 3.65


The new output I want:

trait locus  chr  pos ci.low ci.high  lod
bp c7.loc45   7 47.7  36.71    56.7 6.11
bp c15.loc8  15 12.0   3.96    22.8 5.29

trait locus  chr  pos ci.low ci.high  lod
hr c2.loc54    2 59.8   14.8    87.8 4.19
hr D15MIT184  15 22.8   12.0    36.0 3.15

trait locus chr pos ci.low ci.high  lod
bw c15.loc16  15  20     11      30 6.75

heart_wt locus chr  pos ci.low ci.high  lod
trait c12.loc49  12 51.2   28.2    62.2 3.65

I appreciate for your help for any suggestions!!
Joshua

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