Add Makefile

Makefile

@@ -0,0 +1,35 @@
+BASE=$(wildcard R/*.R inst/tests/*.R)
+
+all: install
+
+install: .R_package
+
+.R_package: $(BASE)
+	Rscript -e 'library(devtools);install(".", quick=T)'
+	touch .R_package
+
+make clean:
+	rm -f inst/doc/*.html inst/doc/*.md
+
+#from yihui's knitr Makefile
+PKGNAME := $(shell sed -n "s/Package: *\([^ ]*\)/\1/p" DESCRIPTION)
+PKGVERS := $(shell sed -n "s/Version: *\([^ ]*\)/\1/p" DESCRIPTION)
+PKGSRC  := $(shell basename `pwd`)
+
+# convert markdown to R's NEWS format
+news: NEWS.md
+	sed -e 's/^-/  -/' -e 's/^## *//' -e 's/^#/\t\t/' < NEWS.md | fmt -80 -s > NEWS
+
+docs: $(BASE)
+	Rscript -e 'library(devtools);library(methods);library(utils);document()'
+
+build: $(BASE)
+	cd ..;\
+	R CMD build $(PKGSRC)
+
+check: build
+	cd ..;\
+	R CMD check $(PKGNAME)_$(PKGVERS).tar.gz --as-cran
+
+tests: $(BASE)
+	Rscript -e 'library(devtools);library(methods);library(utils);test()'