fine del fix

vignettes/higher_order_markov_chains.Rmd

@@ -272,6 +272,7 @@ object <- fitHighOrderMultivarMC(sales, order = 8, Norm = 2)
 We choose to show only results shown in the paper. We see that $\lambda$ values are quite close, but not equal, to those shown in the original paper.
 
 ```{r result, echo = FALSE}
+if (requireNamespace("Rsolnp", quietly = TRUE)) {
 i <- c(1, 2, 2, 3, 4, 4, 4, 5, 5, 5)
 j <- c(2, 2, 2, 5, 2, 5, 5, 2, 4, 5)
 k <- c(1, 1, 3, 1, 8, 1, 2, 8, 1, 2)
@@ -295,6 +296,9 @@ for(p in 1:10) {
   print(object@P[, , t+k[p]])
   cat("\n")
 }
+} else {
+  print("package Rsolnp unavailable")
+}
 ```
 
 # References