%%?gramm?examples?and?how-tos
%%?Example?from?the?readme
%?Here?we?plot?the?evolution?of?fuel?economy?of?new?cars?bewteen?1970?and?1980?（carbig
%?dataset）.?Gramm?is?used?to?easily?separate?groups?on?the?basis?of?the?number?of
%?cylinders?of?the?cars?（color）?and?on?the?basis?of?the?region?of?origin?of
%?the?cars?（subplot?columns）.?Both?the?raw?data?（points）?and?a?glm?fit?with
%?95%?confidence?interval?（line+shaded?area）?are?plotted.?
%
%?We?stat?by?loading?the?sample?data?（structure?created?from?the?carbig
%?dataset）
load?example_data;
%%%?
%?Create?a?gramm?object?provide?x?（year?of?production）?and?y?（fuel?economy）?data
%?color?grouping?data?（number?of?cylinders）?and?select?a?subset?of?the?data
g=gramm（‘x‘cars.Model_Year‘y‘cars.MPG‘color‘cars.Cylinders‘subset‘cars.Cylinders~=3?&?cars.Cylinders~=5）;
%%%?
%?Subdivide?the?data?in?subplots?horizontally?by?region?of?origin?using
%?facet_grid（）
g.facet_grid（[]cars.Origin_Region）;
%%%
%?Plot?raw?data?as?points
g.geom_point（）;
%%%
%?Plot?linear?fits?of?the?data?with?associated?confidence?intervals
g.stat_glm（）;
%%%
%?Set?appropriate?names?for?legends
g.set_names（‘column‘‘Origin‘‘x‘‘Year?of?production‘‘y‘‘Fuel?economy?（MPG）‘‘color‘‘#?Cylinders‘）;
%%%
%?Set?figure?title
g.set_title（‘Fuel?economy?of?new?cars?between?1970?and?1982‘）;
%%%
%?Do?the?actual?drawing
figure（‘Position‘[100?100?800?400]）;
g.draw（）;


%%?Grouping?options?in?gramm
%?With?gramm?there?are?a?lot?ways?to?map?groups?to?visual?properties?of
%?plotted?data?or?even?subplots.
%?Providing?grouping?variables?to?change?visual?properties?is?done?in?the
%?constructor?call?|gramm（）|.?Grouping?variables?that?determine?subplotting
%?are?provided?by?calls?to?the?|facet_grid（）|?or?|facet_wrap（）|?methods.
%?Note?that?*all?the?mappings?presented?below?can?be?combined*?i.e.?it‘s
%?possible?to?previde?different?variables?to?each?of?the?options.
%
%?In?order?to?plot?multiple?diferent?gramm?objects?in?the?same?figure?an?array?of?gramm?objects
%?is?created?and?the?|draw（）|?function?called?at?the?end?on?the?whole?array

clear?g
g（11）=gramm（‘x‘cars.Horsepower‘y‘cars.MPG‘subset‘cars.Cylinders~=3?&?cars.Cylinders~=5）;
g（11）.geom_point（）;
g（11）.set_names（‘x‘‘Horsepower‘‘y‘‘MPG‘）;
g（11）.set_title（‘No?groups‘）;


g（12）=gramm（‘x‘cars.Horsepower‘y‘cars.MPG‘subset‘cars.Cylinders~=3?&?cars.Cylinders~=5‘color‘cars.Cylinders）;
g（12）.geom_point（）;
g（12）.set_names（‘x‘‘Horsepower‘‘y‘‘MPG‘‘color‘‘#?Cyl‘）;
g（12）.set_title（‘color‘）;

g（13）=gramm（‘x‘cars.Horsepower‘y‘cars.MPG‘subset‘cars.Cylinders~=3?&?cars.Cylinders~=5‘lightness‘cars.Cylinders）;
g（13）.geom_point（）;
g（13）.set_names（‘x‘‘Horsepower‘‘y‘‘MPG‘‘lightness‘‘#?Cyl‘）;
g（13）.set_title（‘lightness‘）;

g（21）=gramm（‘x‘cars.Horsepower‘y‘cars.MPG‘subset‘cars.Cylinders~=3?&?cars.Cylinders~=5‘size‘cars.Cylinders）;
g（21）.geom_point（）;
g（21）.set_names（‘x‘‘Horsepower‘‘y‘‘MPG‘‘size‘‘#?Cyl‘）;
g（21）.set_title（‘size‘）;

g（22）=gramm（‘x‘cars.Horsepower‘y‘

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-06?14:57??gramm-master\
?????文件??????????50??2018-03-06?14:57??gramm-master\.gitignore
?????目錄???????????0??2018-03-06?14:57??gramm-master\@gramm\
?????文件?????????611??2018-03-06?14:57??gramm-master\@gramm\axe_property.m
?????文件?????????876??2018-03-06?14:57??gramm-master\@gramm\coord_flip.m
?????文件???????56923??2018-03-06?14:57??gramm-master\@gramm\draw.m
?????文件????????3760??2018-03-06?14:57??gramm-master\@gramm\export.m
?????文件????????2828??2018-03-06?14:57??gramm-master\@gramm\facet_grid.m
?????文件????????1694??2018-03-06?14:57??gramm-master\@gramm\facet_wrap.m
?????文件?????????423??2018-03-06?14:57??gramm-master\@gramm\fig.m
?????文件?????????777??2018-03-06?14:57??gramm-master\@gramm\geom_abline.m
?????文件????????4198??2018-03-06?14:57??gramm-master\@gramm\geom_bar.m
?????文件????????1278??2018-03-06?14:57??gramm-master\@gramm\geom_count.m
?????文件?????????529??2018-03-06?14:57??gramm-master\@gramm\geom_funline.m
?????文件?????????510??2018-03-06?14:57??gramm-master\@gramm\geom_hline.m
?????文件????????1228??2018-03-06?14:57??gramm-master\@gramm\geom_interval.m
?????文件????????1920??2018-03-06?14:57??gramm-master\@gramm\geom_jitter.m
?????文件????????2147??2018-03-06?14:57??gramm-master\@gramm\geom_label.m
?????文件????????4932??2018-03-06?14:57??gramm-master\@gramm\geom_line.m
?????文件????????3469??2018-03-06?14:57??gramm-master\@gramm\geom_point.m
?????文件????????4439??2018-03-06?14:57??gramm-master\@gramm\geom_polygon.m
?????文件????????2228??2018-03-06?14:57??gramm-master\@gramm\geom_raster.m
?????文件?????????505??2018-03-06?14:57??gramm-master\@gramm\geom_vline.m
?????文件???????10255??2018-03-06?14:57??gramm-master\@gramm\gramm.m
?????文件?????????182??2018-03-06?14:57??gramm-master\@gramm\no_legend.m
?????目錄???????????0??2018-03-06?14:57??gramm-master\@gramm\private\
?????文件????????1709??2018-03-06?14:57??gramm-master\@gramm\private\LICENSE?ColorBrewer.txt
?????文件?????????331??2018-03-06?14:57??gramm-master\@gramm\private\comb.m
?????文件?????????671??2018-03-06?14:57??gramm-master\@gramm\private\combnan.m
?????文件????????2691??2018-03-06?14:57??gramm-master\@gramm\private\dodge_comp.m
?????文件?????????546??2018-03-06?14:57??gramm-master\@gramm\private\dodger.m
............此處省略107個文件信息