sratmax was made even too strict: relax a bit

Stricter sratmax may be useful, but too strict makes monoMDS work so close to computer's numerical precision that results (vegan examples) become dependent on computer platform and its details.
vegandevs · May 13, 2020 · 8f5f78e · 8f5f78e
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diff --git a/R/monoMDS.R b/R/monoMDS.R
@@ -3,7 +3,7 @@
              model = c("global", "local", "linear", "hybrid"),
              threshold = 0.8, maxit = 200, weakties = TRUE, stress = 1,
              scaling = TRUE, pc = TRUE, smin = 1e-4, sfgrmin = 1e-7,
-             sratmax=0.9999999, ...)
+             sratmax=0.999999, ...)
 {
     ## Check that 'dist' are distances or a symmetric square matrix
     if (!(inherits(dist, "dist") ||

diff --git a/man/monoMDS.Rd b/man/monoMDS.Rd
@@ -19,7 +19,7 @@
 monoMDS(dist, y, k = 2, model = c("global", "local", "linear", "hybrid"),
     threshold = 0.8, maxit = 200, weakties = TRUE, stress = 1,
     scaling = TRUE, pc = TRUE, smin = 1e-4, sfgrmin = 1e-7,
-    sratmax=0.9999999, ...)
+    sratmax=0.999999, ...)
 \method{scores}{monoMDS}(x, choices = NA, ...)
 \method{plot}{monoMDS}(x, choices = c(1,2), type = "t", ...)
 \method{points}{monoMDS}(x, choices = c(1,2), select, ...)