add packages in doc links

man/bubble.Rd

@@ -43,7 +43,7 @@ is TRUE }
 \item{...}{ arguments, passed to \code{xyplot}, or \code{plot} if 
 identification is required. }
 \item{key.space}{location of the key}
-\item{scales}{scales argument as passed to \link{xyplot}}
+\item{scales}{scales argument as passed to \link[lattice]{xyplot}}
 \item{xlab}{x-axis label}
 \item{ylab}{y-axis label}
 \item{panel}{panel function used}
@@ -57,7 +57,7 @@ the indexes (row numbers) of identified points.
 }
 %\references{ }
 \author{ Edzer Pebesma }
-\seealso{\link{xyplot}, \link{mapasp}, \link{identify}}
+\seealso{\link[lattice]{xyplot}, \link{mapasp}, \link{identify}}
 \examples{
 data(meuse)
 coordinates(meuse) <- c("x", "y") # promote to SpatialPointsDataFrame

man/image.Rd

@@ -73,7 +73,7 @@ if we take the image.default manual page as the reference. }
 \author{ Edzer Pebesma }
 
 \seealso{ \link{image.default}, \link{SpatialGridDataFrame-class},
-\link{levelplot} in package \code{lattice}. Function
+\link[lattice]{levelplot} in package \code{lattice}. Function
 \code{image.plot} in package \code{fields} can be used to make a legend for an 
 image, see an example in \url{https://stat.ethz.ch/pipermail/r-sig-geo/2007-June/002143.html}
 }

man/mapasp.Rd

@@ -30,6 +30,6 @@ degreeLabelsNS(x)
 	for other data, mapasp returns "iso".
 }
 \note{the values for \code{x} are typically obtained from \link{axTicks}}
-\seealso{ \link{levelplot} in package \code{lattice}}
+\seealso{ \link[lattice]{levelplot} in package \code{lattice}}
 
 \keyword{dplot}

man/spplot.Rd

@@ -64,9 +64,9 @@ get_col_regions()
 \item{zcol}{ character; attribute name(s) or column number(s) in attribute table }
 \item{names.attr}{ names to use in panel, if different from zcol names }
 \item{scales}{ scales argument to be passed to Lattice plots; use
-\code{list(draw = TRUE)} to draw axes scales; see \link{xyplot} for full options }
-\item{...}{ other arguments passed to \link{levelplot} (grids, polygons) or 
-\link{xyplot} (points) }
+\code{list(draw = TRUE)} to draw axes scales; see \link[lattice]{xyplot} for full options }
+\item{...}{ other arguments passed to \link[lattice]{levelplot} (grids, polygons) or 
+\link[lattice]{xyplot} (points) }
 \item{xlab}{label for x-axis }
 \item{ylab}{label for y-axis }
 \item{aspect}{aspect ratio for spatial axes; defaults to "iso" (one unit
@@ -145,14 +145,14 @@ of lower-left}
 \item{\code{page}}{to add marks to each plotted page}
 }
 
-for useful values see the appropriate documentation of \link{xyplot}
-(in case of points), and \link{levelplot} (otherwise).
+for useful values see the appropriate documentation of \link[lattice]{xyplot}
+(in case of points), and \link[lattice]{levelplot} (otherwise).
 
 If \code{obj} is of SpatialPointsDataFrame, the following options are
 useful to pass:
 \describe{
 \item{\code{key.space}}{ character: "bottom", "right", "left" or "right" to denote
-key location, or list: see argument key in the help for \link{xyplot} what
+key location, or list: see argument key in the help for \link[lattice]{xyplot} what
 the options are}
 \item{\code{legendEntries}}{ character; array with key legend (text) entries; 
 suitable defaults obtained from data }

man/stack.Rd

@@ -38,7 +38,7 @@ of \code{data} stacked }
 column \code{ind} that indicates the variable stacked; it also
 replicates the coordinates. }
 
-\seealso{ \link{spplot}, \link{levelplot} in package \code{lattice}, and \link{stack}}
+\seealso{ \link{spplot}, \link[lattice]{levelplot}, and \link{stack}}
 \examples{
 library(lattice)
 data(meuse.grid) # data frame