带格子的堆叠条形图：我的数据太大了吗？
我想要一个看起来类似于 格子中给出的示例的图表文档：
#EXAMPLE GRAPH, not my data
> barchart(yield ~ variety | site, data = barley,
+ groups = year, layout = c(1,6), stack = TRUE,
+ auto.key = list(points = FALSE, rectangles = TRUE, space = "right"),
+ ylab = "Barley Yield (bushels/acre)",
+ scales = list(x = list(rot = 45)))
我融化我的数据以获得这个“长”形式的数据框：
> str(MDist)
'data.frame': 34560 obs. of 6 variables:
$ fCycle : Factor w/ 2 levels "Dark","Light": 2 2 2 2 2 2 2 2 2 2 ...
$ groupname: Factor w/ 8 levels "rowA","rowB",..: 1 1 1 1 1 1 1 1 1 1 ...
$ location : Factor w/ 96 levels "c1","c10","c11",..: 1 1 1 1 1 1 1 1 1 1 ...
$ timepoint: num 1 2 3 4 5 6 7 8 9 10 ...
$ variable : Factor w/ 3 levels "inadist","smldist",..: 1 1 1 1 1 1 1 1 1 1 ...
$ value : num 0 55.7 75.3 99.2 45.9 73.8 79.3 73.5 69.8 67.6 ...
我想为每个组名和fCycle创建一个堆叠条形图。我尝试了这个：
barchart(value~timepoint|groupname*fCycle, data=MDist, groups=variable,stack=T)
它不会抛出任何错误，但 30 分钟后它仍然在思考。这是因为它不知道如何处理对每个条形有贡献的 36 个值吗？如何使条形图更容易消化这些数据？
I want a graph that looks similar to the example given in the lattice docs:
#EXAMPLE GRAPH, not my data
> barchart(yield ~ variety | site, data = barley,
+ groups = year, layout = c(1,6), stack = TRUE,
+ auto.key = list(points = FALSE, rectangles = TRUE, space = "right"),
+ ylab = "Barley Yield (bushels/acre)",
+ scales = list(x = list(rot = 45)))
I melted my data to obtain this "long" form dataframe:
> str(MDist)
'data.frame': 34560 obs. of 6 variables:
$ fCycle : Factor w/ 2 levels "Dark","Light": 2 2 2 2 2 2 2 2 2 2 ...
$ groupname: Factor w/ 8 levels "rowA","rowB",..: 1 1 1 1 1 1 1 1 1 1 ...
$ location : Factor w/ 96 levels "c1","c10","c11",..: 1 1 1 1 1 1 1 1 1 1 ...
$ timepoint: num 1 2 3 4 5 6 7 8 9 10 ...
$ variable : Factor w/ 3 levels "inadist","smldist",..: 1 1 1 1 1 1 1 1 1 1 ...
$ value : num 0 55.7 75.3 99.2 45.9 73.8 79.3 73.5 69.8 67.6 ...
I want to create a stacked barchart for each groupname and fCycle. I tried this:
barchart(value~timepoint|groupname*fCycle, data=MDist, groups=variable,stack=T)
It doesn't throw any errors, but it's still thinking after 30 minutes. Is this because it doesn't know how to deal with the 36 values that contribute to each bar? How can I make this data easier for barchart to digest?
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我不太了解格子，但这可能是因为您的
timepoint变量是数字，而不是因子？I don't know lattice well, but could it be because your
timepointvariable is numeric, not a factor?