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Update corrplot.R: option to remove leading 0s added #274

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Update corrplot.R: option to remove leading 0s added #274

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133c84f
Update corrplot.R: option to remove leading 0s added
erinnacland Feb 28, 2024
11f6e1c
Merge branch 'master' into patch-1
erinnacland Feb 16, 2025
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25 changes: 16 additions & 9 deletions R/corrplot.R
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Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,7 @@ corrplot = function(corr,
method = c('circle', 'square', 'ellipse', 'number', 'shade', 'color', 'pie'),
type = c('full', 'lower', 'upper'), col = NULL, col.lim = NULL, is.corr = TRUE,
bg = 'white', title = '', add = FALSE, diag = TRUE, outline = FALSE,
mar = c(0, 0, 0, 0),
mar = c(0, 0, 0, 0), del.lead.zero = FALSE,

addgrid.col = NULL, addCoef.col = NULL, addCoefasPercent = FALSE,

Expand Down Expand Up @@ -323,6 +323,12 @@ corrplot = function(corr,
stop('Need a matrix or data frame!')
}

# logical of whether leading zero is dropped from numbers generated from 'method = "number"' and 'addCoef.col'
if (del.lead.zero == TRUE) {
del.lead.zero = function(val) {sub("^(-?)0.", "\\1.", sprintf("%.2f", val)) }}
else if (del.lead.zero == FALSE) {
del.lead.zero = function(val){val}}

# select grid color automatically if not specified
if (is.null(addgrid.col)) {
addgrid.col = switch(method, color = NA, shade = NA, 'grey')
Expand Down Expand Up @@ -704,7 +710,7 @@ corrplot = function(corr,
if (method == 'number' && plotCI == 'n') {
x = (DAT - int) * ifelse(addCoefasPercent, 100, 1) / zoom
text(Pos[, 1], Pos[, 2], font = number.font, col = col.fill,
labels = format(round(x, number.digits), nsmall = number.digits),
labels = format(del.lead.zero(round(x, number.digits)), nsmall = number.digits),
cex = number.cex)
}

Expand Down Expand Up @@ -883,13 +889,14 @@ corrplot = function(corr,
## add numbers
if (!is.null(addCoef.col) && method != 'number') {
text(Pos[, 1], Pos[, 2], col = addCoef.col,
labels = format(
round(
(DAT - int) * ifelse(addCoefasPercent, 100, 1) / zoom,
number.digits
),
nsmall = number.digits
),


if (!is.null(addCoef.col) && method != 'number') {
text(Pos[, 1], Pos[, 2], col = addCoef.col,
labels = del.lead.zero(format(
round((DAT - int) * ifelse(addCoefasPercent, 100, 1) / zoom, number.digits),
nsmall = number.digits
)),
cex = number.cex, font = number.font)
}

Expand Down