Error in `geom_point()`: ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in `FUN()`: ! object 'Pvalue' not found Run `rlang::last_trace()` to see where the error occurred.

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35.R语言geom_contour等高线图绘制教程.pdf

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R语言geom_contour等高线图绘制教程 R语言中的geom_contour是一种常用的等高线图绘制方法，用于绘制等高线图，以便更好地展示数据之间的关系。本教程将详细介绍如何使用R语言中的ggplot2包和metR包来绘制等高线图。需要安装和加载必要的包，包括ggplot2和metR包。可以使用install.packages()函数来安装这些包，然后使用library()函数来加载它们。 install.packages("metR") library(ggplot2) library(metR) 接下来，需要准备数据。在本教程中，我们使用volcano数据来绘制等高线图。可以使用data.table::melt()函数来将volcano数据转换为适合绘图的格式。 v <- data.table::melt(volcano) 然后，可以使用ggplot()函数来绘制等高线图。geom_contour_filled()函数用于绘制填充图，geom_contour()函数用于绘制等高线图。 ggplot(v, aes(Var1, Var2)) + ggplot2::geom_contour_filled(aes(z = value), binwidth = 10, position = 'identity') + geom_contour(aes(z = value), binwidth = 10, position = 'identity', color = "#1F77B4", lineend = "round", breaks = seq(100, 200, 10), show.legend = F, linemitre = 50) + scale_x_continuous(expand = c(0, 0)) + scale_y_continuous(expand = c(0, 0)) + coord_flip() 在上面的代码中，我们使用ggplot()函数来绘制等高线图，然后使用geom_contour_filled()函数和geom_contour()函数来绘制填充图和等高线图。binwidth参数用于控制等高线图的精度，position参数用于控制等高线图的位置。color参数用于控制等高线图的颜色，lineend参数用于控制等高线图的线末端样式，breaks参数用于控制等高线图的断点，show.legend参数用于控制是否显示图例，linemitre参数用于控制等高线图的线 style。接下来，可以使用metR包中的geom_text_contour()函数来添加文本标签。 ggplot(v, aes(Var1, Var2)) + ggplot2::geom_contour_filled(aes(z = value), binwidth = 10, position = 'identity') + geom_contour(aes(z = value), binwidth = 10, position = 'identity', color = "#1F77B4", lineend = "round", breaks = seq(100, 200, 10), show.legend = F, linemitre = 50) + scale_x_continuous(expand = c(0, 0)) + scale_y_continuous(expand = c(0, 0)) + coord_flip() + metR::geom_text_contour(aes(z = value), stat = "text_contour", binwidth = 10, check_overlap = T, skip = 0, stroke = 0, color = "red") 在上面的代码中，我们使用geom_text_contour()函数来添加文本标签，stat参数用于控制文本标签的统计方式，binwidth参数用于控制文本标签的精度，check_overlap参数用于控制文本标签的重叠，skip参数用于控制文本标签的跳过，stroke参数用于控制文本标签的线 style，color参数用于控制文本标签的颜色。本教程详细介绍了如何使用R语言中的ggplot2包和metR包来绘制等高线图，包括如何安装和加载必要的包，如何准备数据，如何绘制等高线图，如何添加文本标签等等。

这个错误是由于在计算绘图时出现了一个问题，具体是在第一层发生的。根据错误信息，可能是由于 'Pvalue' 对象未找到导致的。您可以尝试运行 `rlang::last_trace()` 来查看错误发生的位置。这将显示最近发生的错误跟踪信息，有助于确定问题的具体原因。如果您能提供更多的上下文或代码，我可以尝试给出更准确的解决方案。

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Error in `geom_point()`: ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in `FUN()`: ! object 'Pvalue' not found Run `rlang::last_trace()` to see where the error occurred.

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Error in geom_point(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in FUN(): ! object 'BetaDL' not found Run rlang::last_trace() to see where the error occurred.

Error in geom_density(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error: ! 找不到对象'CPM'

in geom_density(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error: ! 找不到对象'variable'

Error in geom_line(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in FUN(): ! object 'X' not found Run rlang::last_trace() to see where the error occurred.

Error in geom_boxplot(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in FUN(): ! object 'gene_expression' not found Run rlang::last_trace() to see where the error occurred.

Error in geom_area(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in year(): ! could not find function "year" Run rlang::last_trace() to see where the error occurred.、

错误是什么：Error in geom_line(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in FUN(): ! object 'cvm' not found Run rlang::last_trace() to see where the error occurred.

print(p) Error in geom_boxplot(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in FUN(): ! object 'CPM' not found Run rlang::last_trace() to see where the error occurred.

Error in geom_ribbon(): ! Problem while computing aesthetics. ℹ Error occurred in the 3rd layer. Caused by error in FUN(): ! object 'lwr' not found Run rlang::last_trace() to see where the error occurred.

totalplot<-cowplot::plot_grid(plotlist=plotlist,ncol=1) Error in geom_line(): ! Problem while computing aesthetics. ℹ Error occurred in the 2nd layer. Caused by error in FUN(): ! object 'EMD' not found Run rlang::last_trace() to see where the error occurred.

> plot_grid(p1, p2, ncol = 2, align = "h", axis = "tb") Error in geom_boxplot(): ! Problem while computing aesthetics. ℹ Error occurred in the 1st layer. Caused by error in FUN(): ! object 'Sepal.Length' not found Run rlang::last_trace() to see where the error occurred.

> p_aov_cpm_median_T Error in geom_text(): ! Problem while computing aesthetics. ℹ Error occurred in the 4th layer. Caused by error in Math.data.frame(): ! non-numeric-alike variable(s) in data frame: Tissue Run rlang::last_trace() to see where the error occurred.

Error in geom_smooth(): ! Problem while computing stat. ℹ Error occurred in the 2nd layer. Caused by error in compute_layer(): ! stat_smooth() requires the following missing aesthetics: y Run rlang::last_trace() to see where the error occurred.

Error in geom_bar(): ! Problem while computing aesthetics. i Error occurred in the 1st layer. Caused by error in FUN(): ! object 'weight' not found Run rlang::last_trace() to see where the error occurred.

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