While installing a package in R, I am getting error message in mu ubuntu 16.04 machine as shown belo dur t lack of tcl/tlk header. How to resolve it?
gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -I/usr/include/tcl8.6 -I/usr/include/tcl8.6 -fpic -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g -c tcltkimg.c -o tcltkimg.o tcltkimg.c:2:16: fatal error: tk.h: No such file or directory