check this
dput(QRE2)
structure(list(Age = c(27L, 45L, 19L, 17L, 32L, 35L, 27L, 23L,
20L, 30L, 51L, 31L, 31L, 64L, 48L, 22L, 16L, 20L, 19L, 35L),
SexCD = c(1L, 2L, 1L, 1L, 2L, 1L, 1L, 1L, 1L, 2L, 2L, 2L,
1L, 2L, 1L, 1L, 2L, 1L, 1L, 1L), sources_Metric = c(0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), hygieneSanitation_Metric = c(0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
attitudeWASH_Metric = c(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0)), row.names = c("KI1", "KI2",
"KI3", "KI4", "KI5", "KI6", "KI7", "KI8", "KI9", "KI10", "KI11",
"KI12", "KI13", "KI14", "KI15", "KI16", "KI17", "KI18", "KI19",
"KI20"), class = "data.frame")
Edited with backticks to format as code