I have a matrix names test which I want to convert to a data frame. When I
use a command  test2<-as.data.frame(test) it is executed without a problem.
But when I want to browse the content I receive an error message "Error in
data.frame(outcome = c("cardva", "respir", "cereb", "neoplasm",  :
 duplicate row.names: Estimate" . The problem is clearly due to a duplicate
in  row name . But I am unable to remove this column. I need help on how to
remove this specific column that has essentially no column header name.
dput of the matrix is here:

> dput(test)
structure(c("cardva", "respir", "cereb", "neoplasm", "ami", "ischem",
"heartf", "pneumo", "copd", "asthma", "dysrhy", "diabet",
"0.00259492159959046",
"0.00979775441709427", "0.00103414632535868", "0.00486468139227382",
"0.0164825543879707", "0.0116647168053943", "-0.0012137908515233",
"0.00730433232907741", "0.00355583994565985", "0.000712387285735019",
"-0.00103763671307935", "0.00981500221106926", "0.00325476724733837",
"0.0049232113728293", "0.00520118026087645", "0.00386848394426742",
"0.00688121694253705", "0.00585772614064902", "0.00564983058883797",
"0.0061328202328586", "0.0108212194251692", "0.0173804438930357",
"0.00867931407250442", "0.0106638104533486", "0.425323120845664",
"0.0466180768654915", "0.842402292743715", "0.208609687427072",
"0.0166336682608816", "0.0464833846710956", "0.8299010611324",
"0.233685747699204", "0.742469001175026", "0.967306766450795",
"0.904840885401235", "0.357394700741248"), .Dim = c(12L, 4L), .Dimnames =
list(
    c("Estimate", "Estimate", "Estimate", "Estimate", "Estimate",
    "Estimate", "Estimate", "Estimate", "Estimate", "Estimate",
    "Estimate", "Estimate"), c("outcome", "beta", "se", "pval"
    )))

> test2<-as.data.frame(test)
> test2
Error in data.frame(outcome = c("cardva", "respir", "cereb", "neoplasm",  :
  duplicate row.names: Estimate

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