![]() ![]() If this were not specified, as in the plot for y = x^2, the plot will be connected by 300 (the default) markers - ugly. What is "n(#)" for? This tells Stata to draw the plot at 20 points. In our case, we specified that the new plot type is a connected graph, for which you can specify marker symbols. The recast option will tell Stata to treat the plot as a new plot. ![]() Tw function y = x^2, range(-2 2) recast(connected) msymbol(O) || ///įunction y = x^3, range(-2 2) recast(connected) msymbol(T) n(20) || ///įunction y = x^4, range(-2 2) recast(connected) msymbol(S) n(20) /// For example:įunction y = x^3, range(-2 2) lpattern(-) || ///įunction y = x^4, range(-2 2) lpattern(.-) ///Ĭols(3) pos(5) ring(0) region(lcolor(none)))īut suppose you prefer to use marker symbols rather than line patterns to differentiate the line plots, how can you specify this option? Use the recast option (-help advanced_options-): These options are particularly helpful when you have many functions to plot. Tw function y = 4*x^2, range(-2 2) lcolor(red) lwidth(medthick) lpattern(-) For example, if you want to change the color, width, and pattern of the line use lcolor, lwidth, and lpattern options: It is easy to change the line attributes of the plot. ![]() If you want to draw the other side of the parabola or change the range, you can specify the range as follows: The default is that the function is drawn over the range. For example, the half of a parabola with the equation y = x^2 can be drawn by typing: Stata's -graph twoway function- draws the line plot of a specified function. ![]()
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