sysuse auto.dta,clear



correlate price mpg weight length
matrix corrmatrix = r(C) 
//ssc install heatplot
heatplot corrmatrix 

heatplot corrmatrix, values(format(%4.3f)) 

heatplot corrmatrix, values(format(%4.3f) size(medium))

heatplot corrmatrix, values(format(%4.3f) size(medium)) legend(off)


heatplot corrmatrix, values(format(%4.3f) size(medium)) legend(off) color(hcl, diverging intensity(.7)) 

heatplot corrmatrix, values(format(%4.3f) size(medium)) legend(off) color(hcl, gscale diverging intensity(.7)) 

heatplot corrmatrix, values(format(%4.3f) size(medium)) legend(off) color(hcl, gscale diverging intensity(.7)) aspectratio(1)

heatplot corrmatrix, values(format(%4.3f) size(medium)) legend(off) color(hcl, gscale diverging intensity(.7)) aspectratio(1) xlabel(,labsize(small) angle(45))

heatplot corrmatrix, values(format(%4.3f) size(medium)) legend(off) color(hcl, gscale diverging intensity(.7)) aspectratio(1) xlabel(,labsize(small) angle(45)) ylabel(,labsize(small))

graph save "heatmap.gph",replace