diff --git a/DESCRIPTION b/DESCRIPTION
index e6ba458f..6bb1a0ad 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,7 @@
 Package: matlib
 Type: Package
-Title: Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics
+Title: Matrix Functions for Teaching and Learning Linear Algebra and
+    Multivariate Statistics
 Version: 0.4.1
 Date: 2015-11-03
 Authors@R: c(person(given = "Michael", family = "Friendly", role=c("aut", "cre"), email="friendly@yorku.ca"),
@@ -8,15 +9,18 @@ Authors@R: c(person(given = "Michael", family = "Friendly", role=c("aut", "cre")
             person(given = "Georges", family = "Monette", role="ctb"))
 Author: Michael Friendly [aut, cre], John Fox [ctb], Georges Monette [ctb]
 Maintainer: Michael Friendly <friendly@yorku.ca>
-Description: A collection of matrix functions for teaching and learning matrix linear algebra
-    as used in multivariate statistical methods. These functions are mainly for tutorial purposes
-    in learning matrix algebra ideas using R. In some cases, functions are provided for concepts available
-    elsewhere in R, but where the function call or name is not obvious.  In other
-    cases, functions are provided to show or demonstrate an algorithm.
+Description: A collection of matrix functions for teaching and learning matrix
+    linear algebra as used in multivariate statistical methods. These functions are
+    mainly for tutorial purposes in learning matrix algebra ideas using R. In some
+    cases, functions are provided for concepts available elsewhere in R, but where
+    the function call or name is not obvious. In other cases, functions are provided
+    to show or demonstrate an algorithm.
 License: GPL (>= 2)
 URL: https://github.com/friendly/matlib
 LazyData: TRUE
-Suggests: MASS,
+Suggests:
+    MASS,
     knitr,
     rmarkdown
 VignetteBuilder: knitr
+RoxygenNote: 5.0.0
diff --git a/man/Ginv.Rd b/man/Ginv.Rd
index aef9ac1e..d5b98a45 100644
--- a/man/Ginv.Rd
+++ b/man/Ginv.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/gaussian-elimination.R
 \name{Ginv}
 \alias{Ginv}
@@ -36,6 +36,7 @@ B <- matrix(1:9, 3, 3) # a singular matrix
 B
 Ginv(B, fractions=TRUE)  # a generalized inverse of B
 B \%*\% Ginv(B) \%*\% B   # check
+
 }
 \seealso{
 \code{\link[MASS]{ginv}} for a more generally usable function
diff --git a/man/Inverse.Rd b/man/Inverse.Rd
index 49ebb1ba..bf2ca1aa 100644
--- a/man/Inverse.Rd
+++ b/man/Inverse.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/gaussian-elimination.R
 \name{Inverse}
 \alias{Inverse}
@@ -26,7 +26,7 @@ The method is purely didactic: The identity matrix, \eqn{I}, is appended to \eqn
 to \eqn{X^{-1}} is returned.
 }
 \examples{
-A <- matrix(c(2, 1, -1,
+  A <- matrix(c(2, 1, -1,
                -3, -1, 2,
                -2,  1, 2), 3, 3, byrow=TRUE)
   Inverse(A)
diff --git a/man/QR.Rd b/man/QR.Rd
index 949299a9..894a9b36 100644
--- a/man/QR.Rd
+++ b/man/QR.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/QR.R
 \name{QR}
 \alias{QR}
diff --git a/man/R.Rd b/man/R.Rd
index 5e24b24f..a3ef1aae 100644
--- a/man/R.Rd
+++ b/man/R.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/matlib.R
 \name{R}
 \alias{R}
diff --git a/man/SVD.Rd b/man/SVD.Rd
index 801f904b..771018cc 100644
--- a/man/SVD.Rd
+++ b/man/SVD.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/eig.R
 \name{SVD}
 \alias{SVD}
diff --git a/man/cholesky.Rd b/man/cholesky.Rd
index 183de39b..89bd14f8 100644
--- a/man/cholesky.Rd
+++ b/man/cholesky.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/gaussian-elimination.R
 \name{cholesky}
 \alias{cholesky}
@@ -23,6 +23,7 @@ C <- matrix(c(1,2,3,2,5,6,3,6,10), 3, 3) # nonsingular, symmetric
 C
 cholesky(C)
 cholesky(C) \%*\% t(cholesky(C))  # check
+
 }
 \references{
 Kennedy W.J. Jr, Gentle J.E. (1980). \emph{Statistical Computing}. Marcel Dekker.
diff --git a/man/cofactor.Rd b/man/cofactor.Rd
index 2b4d899f..a5d35e07 100644
--- a/man/cofactor.Rd
+++ b/man/cofactor.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/determinants.R
 \name{cofactor}
 \alias{cofactor}
@@ -27,6 +27,7 @@ M <- matrix(c(4, -12, -4,
 cofactor(M, 1, 1)
 cofactor(M, 1, 2)
 cofactor(M, 1, 3)
+
 }
 \author{
 Michael Friendly
@@ -34,7 +35,7 @@ Michael Friendly
 \seealso{
 \code{\link{row_cofactors}} for all cofactors of a given row
 
-Other determinants: \code{\link{minor}};
-  \code{\link{row_cofactors}}; \code{\link{row_minors}}
+Other determinants: \code{\link{minor}},
+  \code{\link{row_cofactors}}, \code{\link{row_minors}}
 }
 
diff --git a/man/echelon.Rd b/man/echelon.Rd
index 7dfa5ea9..b6cd31b6 100644
--- a/man/echelon.Rd
+++ b/man/echelon.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/gaussian-elimination.R
 \name{echelon}
 \alias{echelon}
@@ -43,5 +43,6 @@ B
 echelon(B)
 echelon(B, b)
 echelon(B, diag(3))
+
 }
 
diff --git a/man/eig.Rd b/man/eig.Rd
index 0d5350f0..d581f91a 100644
--- a/man/eig.Rd
+++ b/man/eig.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/eig.R
 \name{eig}
 \alias{eig}
diff --git a/man/gaussianElimination.Rd b/man/gaussianElimination.Rd
index 6cd6fb66..0a17326f 100644
--- a/man/gaussianElimination.Rd
+++ b/man/gaussianElimination.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/gaussian-elimination.R
 \name{gaussianElimination}
 \alias{gaussianElimination}
@@ -30,12 +30,14 @@ systems of linear equations of the form \eqn{A x = B}. Optional arguments \code{
 and \code{fractions} may be used to see how the algorithm works.
 }
 \examples{
-A <- matrix(c(2, 1, -1,
+  A <- matrix(c(2, 1, -1,
                -3, -1, 2,
                -2,  1, 2), 3, 3, byrow=TRUE)
   b <- c(8, -11, -3)
   gaussianElimination(A, b)
   gaussianElimination(A, b, verbose=TRUE, fractions=TRUE)
+
+
 }
 \author{
 John Fox
diff --git a/man/gsorth.Rd b/man/gsorth.Rd
index 77349629..f0271159 100644
--- a/man/gsorth.Rd
+++ b/man/gsorth.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/gsorth.R
 \name{gsorth}
 \alias{gsorth}
diff --git a/man/minor.Rd b/man/minor.Rd
index b5390d11..dc4c2cf4 100644
--- a/man/minor.Rd
+++ b/man/minor.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/determinants.R
 \name{minor}
 \alias{minor}
@@ -34,7 +34,7 @@ Michael Friendly
 \seealso{
 \code{\link{row_minors}} for all minors of a given row
 
-Other determinants: \code{\link{cofactor}};
-  \code{\link{row_cofactors}}; \code{\link{row_minors}}
+Other determinants: \code{\link{cofactor}},
+  \code{\link{row_cofactors}}, \code{\link{row_minors}}
 }
 
diff --git a/man/mpower.Rd b/man/mpower.Rd
index b9b2030f..f2c2e46c 100644
--- a/man/mpower.Rd
+++ b/man/mpower.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/mpower.R
 \name{mpower}
 \alias{mpower}
diff --git a/man/plotEqn.Rd b/man/plotEqn.Rd
index 6d60908d..b733b142 100644
--- a/man/plotEqn.Rd
+++ b/man/plotEqn.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/plotEqn.R
 \name{plotEqn}
 \alias{plotEqn}
diff --git a/man/proj.Rd b/man/proj.Rd
index f3445867..ce5c51fc 100644
--- a/man/proj.Rd
+++ b/man/proj.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/matlib.R
 \name{proj}
 \alias{proj}
diff --git a/man/row_cofactors.Rd b/man/row_cofactors.Rd
index 90cd7f2d..a9a268dc 100644
--- a/man/row_cofactors.Rd
+++ b/man/row_cofactors.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/determinants.R
 \name{row_cofactors}
 \alias{row_cofactors}
@@ -29,6 +29,7 @@ row_cofactors(M, 1)
 det(M)
 # expansion by cofactors of row 1
 M[1,] \%*\% row_cofactors(M,1)
+
 }
 \author{
 Michael Friendly
@@ -36,7 +37,7 @@ Michael Friendly
 \seealso{
 \code{\link[base]{det}} for the determinant
 
-Other determinants: \code{\link{cofactor}};
-  \code{\link{minor}}; \code{\link{row_minors}}
+Other determinants: \code{\link{cofactor}},
+  \code{\link{minor}}, \code{\link{row_minors}}
 }
 
diff --git a/man/row_minors.Rd b/man/row_minors.Rd
index 7d99fa53..a223d7e0 100644
--- a/man/row_minors.Rd
+++ b/man/row_minors.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/determinants.R
 \name{row_minors}
 \alias{row_minors}
@@ -30,7 +30,7 @@ row_minors(M, 1)
 Michael Friendly
 }
 \seealso{
-Other determinants: \code{\link{cofactor}};
-  \code{\link{minor}}; \code{\link{row_cofactors}}
+Other determinants: \code{\link{cofactor}},
+  \code{\link{minor}}, \code{\link{row_cofactors}}
 }
 
diff --git a/man/rowadd.Rd b/man/rowadd.Rd
index baf37725..d671b6f0 100644
--- a/man/rowadd.Rd
+++ b/man/rowadd.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/rowops.R
 \name{rowadd}
 \alias{rowadd}
@@ -44,11 +44,12 @@ Ab <- cbind(A, b)
 
 # Could continue to reduce above diagonal to zero
 echelon(A, b, verbose=TRUE, fractions=TRUE)
+
 }
 \seealso{
 \code{\link{echelon}}, \code{\link{gaussianElimination}}
 
-Other elementary row operations: \code{\link{rowmult}};
+Other elementary row operations: \code{\link{rowmult}},
   \code{\link{rowswap}}
 }
 
diff --git a/man/rowmult.Rd b/man/rowmult.Rd
index 9b7607c1..285da906 100644
--- a/man/rowmult.Rd
+++ b/man/rowmult.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/rowops.R
 \name{rowmult}
 \alias{rowmult}
@@ -34,11 +34,12 @@ Ab <- cbind(A, b)
 # multiply to make diagonals = 1
 (Ab <- rowmult(Ab, 1:3, c(1/2, 2, -1)))
 # The matrix is now in triangular form
+
 }
 \seealso{
 \code{\link{echelon}}, \code{\link{gaussianElimination}}
 
-Other elementary row operations: \code{\link{rowadd}};
+Other elementary row operations: \code{\link{rowadd}},
   \code{\link{rowswap}}
 }
 
diff --git a/man/rowswap.Rd b/man/rowswap.Rd
index 8d104624..7aafcd3e 100644
--- a/man/rowswap.Rd
+++ b/man/rowswap.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/rowops.R
 \name{rowswap}
 \alias{rowswap}
@@ -24,7 +24,7 @@ This elementary row operation corresponds to interchanging two equations.
 \seealso{
 \code{\link{echelon}}, \code{\link{gaussianElimination}}
 
-Other elementary row operations: \code{\link{rowadd}};
+Other elementary row operations: \code{\link{rowadd}},
   \code{\link{rowmult}}
 }
 
diff --git a/man/showEqn.Rd b/man/showEqn.Rd
index 160b01a0..8ee9a147 100644
--- a/man/showEqn.Rd
+++ b/man/showEqn.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/showEqn.R
 \name{showEqn}
 \alias{showEqn}
@@ -23,7 +23,7 @@ Shows what matrices \eqn{A, b} look like as the system of linear equations, \eqn
 as a set of equations.
 }
 \examples{
-A <- matrix(c(2, 1, -1,
+  A <- matrix(c(2, 1, -1,
                -3, -1, 2,
                -2,  1, 2), 3, 3, byrow=TRUE)
   b <- c(8, -11, -3)
diff --git a/man/tr.Rd b/man/tr.Rd
index 45ab11a7..0064f205 100644
--- a/man/tr.Rd
+++ b/man/tr.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.1): do not edit by hand
+% Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/tr.R
 \name{tr}
 \alias{tr}
@@ -18,5 +18,6 @@ Calculates the trace of a numeric matrix, i.e., the sum of its diagonal elements
 \examples{
 X <- matrix(1:9, 3, 3)
 tr(X)
+
 }