r - Why white bg with Spearman correlation in corrplot? -


the first diagonal background white when spearman cor r. never happens other cor measures. 

  library("psych")   library("corrplot")       m <- mtcars     m.cor <- cor(m)    p.mat.all <- psych::corr.test(m.cor, adjust = "none", ci = f)    alpha <- 0.05    col <- colorramppalette(c("#bb4444", "#ee9988", "#ffffff", "#77aadd", "#4477aa"))      lapply(c("r","p","t"), function(id) { # http://stackoverflow.com/a/40531043/54964     x <- p.mat.all[[id]]           corrplot( m.cor,                  p.mat = x,                  sig.level = alpha,                  insig = "blank",        )    })

i put there explicitly diag = t should fine without too.

fig. 1 output of minimum example

enter image description here

no warnings.

r: 3.3.1
os: debian 8.5
ticket developer: #74

this bug in software. reported developer.

see related github issue: https://github.com/taiyun/corrplot/issues/74, shortly referring vsimko:

this looks problem in psych::corr.test , not in corrplot

p.mat.all <- psych::corr.test(m.cor, adjust = "none", ci = f) diag(p.mat.all$r) # produces 1 diag(p.mat.all$p) # produces 0 diag(p.mat.all$t) # produces inf

workaround

par(mfcol = c(1, 3)) m <- cor(mtcars) p.mat.all <- psych::corr.test(m, adjust = "none", ci = false)  (id in c("r", "p", "t")) {   x <- p.mat.all[[id]]   diag(x) <- 0   corrplot( m, p.mat = x, sig.level = .05, insig = "blank")  }

fig. 1 output

enter image description here


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