Order of the legend in ggplot. 10 ggplot2: how to change the order of a legend. For example, the legend is as follow : Factor1, Factor2, Factor3. CommentedJun 1, 2022 at 16:23. Having all layers in the legend with ggplot. ggplot legends - change labels, order and title. So for instance run the following script . But, now I know, reordering a factor has nothing to do Jan 31, 2013 · to change the legend. In my first graph, the stacked area colors show up above the Reported Catch line my legend, while in my second graph, the Reported Catch line shows up above the stacked area colors. packages("ggplot2") # Install & load ggplot2. Add guides (fill = guide_legend(reverse = TRUE)) to reverse the order of the legend, as in Figure 10. You can either make this change in the dataset or use directly when mapping your x variable as below. I know there are a lot of ggplot wizards here:) Best Regards! Sep 19, 2010 · I've recently been struggling with a related issue, discussed at length here: Order of legend entries in ggplot2 barplots with coord_flip(). margin = margin(r = 30, unit = "pt"))) To add 30pt of space to the left of each legend label (may be useful for a vertical legend): margin = margin(l = 30, unit = "pt"))) for a ggplot2 object p. library ("ggplot2") Now, we can create a plot of our data in default order as follows: ggplot ( data, aes ( x, y, col = group)) + # Draw ggplot2 scatterplot. frame df to represent the line type, but once I convert it to a factor the linetype instead of "method" appears in the legend (see trial 3). I know that R organize the boxplot alphabetically. 1 Answer. In the preceding example, group was mapped to the fill aesthetic. Change the order for multiple guides. 7. I actually want to select a specific row and push it to the last position of the legend. 4), or change the data to have a different factor level order (Recipe 15. If the faceting variable is character, this order is alphabetical by default. See full list on datanovia. In such cases, we can use the breaks argument and specify the labels to be used. box. The legend can be a guide for fill, colour, linetype, shape, or other aesthetics. Is this correct? Is this correct? How do I get the legend entries to appear in the following order? Jul 8, 2021 · It seems that ggplot will put the legend with the larger limit range on the top. Nov 12, 2009 · 1. Here's a code to reproduce--for this, the first 3 chunks make the dataset, so only the 4th chunk to make the plot should be relevant for the actual solution. key. x and y are the coordinates of the legend box. 0 How to reorder discrete colors in legend in ggplot2 Jul 2, 2021 · Output: To Reverse the order of Legend, we have to add guides () and guide_legend () functions to the geom_point () function. ggplot2 Jul 29, 2011 · I for one, had tried to sort the data frame so that the factor was in reverse alphabetical order, and then recode it as factor. Funnily, the color legend is drawn on top of the fill legend, but "right" to the fill legend, when drawing the legend on the bottom. With fill and color Feb 26, 2024 · We are pleased to release ggplot2 3. Specify ordering via scale_fill_* functions, using the breaks= argument. Asking for help, clarification, or responding to other answers. This is one blogpost among several outlining changes to legend guides. which I did accordingly to ggplot legends - change labels, order and title, and I do get the proper legend order when I do. When I used the following code, I am not getting the variable type and as well as size in the order shown in the data. 41. So, a pure ggplot approach (as an alternative to tmfmnk's answer) would be: Jun 14, 2021 · How to Change Legend Labels in ggplot2 (With Examples) by Zach Bobbitt June 14, 2021. background rectangle overlaps the legend. Apr 18, 2014 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. ggplot2: Reorder items in a legend. Modified 6 years, 8 months ago. Sorted by: 5. 194. We can modify the code linked in the comments to add the triangles to Sep 24, 2017 · Names in legend are ordered alphabetically not matching the order I specified in my data, so not matching my colors and shapes, and causing problem as I really need my legend items follows the same order as in my data. Related. I have done this in the example below. Change inside legend order in bargraph Jun 1, 2022 · 1. Dec 6, 2011 · I would like to adjust the linetypes in the following ggplot. position can be also a numeric vector c(x,y). "0-63" or "100-200") which will be mapped to the fill aesthetic As mentioned by @ user2739472 in the comments: If you only want to change the legend text labels and not the colours from ggplot's default palette, you can use scale_color_hue(labels = c("T999", "T888")) instead of scale_color_manual(). size in theme() or theme. size changes the X and Y dimensions of they key together. height and legend. boxplots) along a discrete scale in ggplot, you can relevel/reorder the factor underlying the axis. Using scales. They should be given in the order of the breaks. scale In your case, you want to set the breaks. The legend titles take up too much space even with no title set. geom_point ( size = 5) After running the previous syntax the ggplot2 scatterplot shown in Figure 1 has been plotted. If you have labels that shows sizes like 1 point represent 100, other point 200 The legend is using the labels from the data frame which are appropriate for us who are working on the project but no for publication. The first way is to tell the scale to use have a different title and labels. I also tried changing the legend order with scale_color_discrete(breaks=c("r", "g", "b"))), but that does not effect the plotting order either. "fill" is used for those labels which shows different colours. Reordering groups in a ggplot2 chart can be a struggle. 2) if you set legend. Here is an example: excitation = rep(c(rep(0,10),rep(1,10),rep(0,30)),4)) Here I have. Jan 10, 2020 · I need to change the order of the legends: the "ECAS" should be at the bottom. width. install. Viewed 5k times Part of R Language Collective Dec 6, 2018 · Change legend order ggplot bar. 21. 1 you don't need to reorder the rows of your data frame to establish the order of the stack in your plot. 2 Ordering Legend in Multi-Bar ggplot2 Chart Jul 23, 2019 · Hi Radha, You can change the order of legends in any order using the order attribute within the function of the guide. There are two ways of changing the legend title and labels. How to change legend title in ggplot. Add stacked area ( geom_area ); change stacked area colors. freely choose the Oct 22, 2021 · The main thing is the order of the legend. How to change legend order. The keywords are legend. But if you look at the values you will see that the order really has changed. To set the colors in the order you want, you can just create a vector with your desired colors in the order you want them and pass them to scale_color_manual. e. How can I "zoom in" a part of y-axis? I would like to zoom in the area between -300 och 600 at the y-axis. Dec 19, 2019 · You assign the color according to the order you want, and use breaks in scale_manual_color to define the order: geom_point()+. Oct 17, 2017 · Change legend order ggplot bar. May 26, 2022 · ggplot2: how to change the order of a legend. scale_color_manual(values = COLS,breaks=legend_order) If you are happy with the default colors, just do: Jul 27, 2022 · If we create a bar plot to visualize the points scored by each team, ggplot2 will automatically order the bars in alphabetical order: library (ggplot2) #create bar plot ggplot(df, aes(x=team, y=points)) + geom_col() To specify an order for the bars on the x-axis, we can use the level argument as follows: library (ggplot2) #create bar plot with In the plot below, the legend shows the key in alphabetical order. R ggplot the order of legend. 8). As it happens, the reason I had a hard time explaining my issue clearly, involved the relation between (the order of) factors and coord_flip(), as seems to be the case here. Jun 24, 2020 · I'm going to speculate that the col2 level ordering (#> [1] "C" "A" "B") is not respected in ggplot's legend ordering because there are multiple geoms in my code. guide_colorsteps () can be used in combination with the breaks = argument of scale_fill_viridis_c () to print a discrete colorbar with the continuous fill. [Note about edit: When this answer was first posted, there was a bug. starball. . This should be the way you specified in the question, so long as you place it in the code correctly. p <- ggplot (PlantGrowth, aes (x=group, y=weight, fill=group)) + geom_boxplot () 기본적으로 생성 되어진 그래프의 범례이다. How can I get "method" in the legend? In the end I would like to be able to . + labs Oct 14, 2020 · There are two easy ways to change the legend title in a ggplot2 chart: Method 1: Use labs() How to Change Order of Items in ggplot2 Legend; Sep 25, 2016 · I am creating a plot using ggplot2 which is almost perfect, it looks like this: However, I want to change the order that the 'watering treatment' boxes are shown - I want the order to be red, yellow, blue, purple, green. Change legend order ggplot bar. Oct 12, 2021 · 13. you can also build the guide as a separate plot. 4 re-ordering legend in ggplot2. Change ggplot2 legend order without changing the manually specified aesthetics. The order of the boxes is determined by the order of the levels of the variable you’re grouping by. Plotting outside of a function Dec 1, 2017 · 51. height or legend. I would like the entry for the ungrouped smooth to appear at the top or bottom of the legend, but the legend is sorted alphabetically instead. I was wonder if there was a way to fix the legend order so that, say val1 is always on the top no matter the range of the limits? Aug 30, 2017 · I did the following stacked bar many times by specifying the factor order. 7 (for other aesthetics, replace fill with the name of the aesthetic, such as colour or size): # Create the base plot pg_plot <- ggplot (PlantGrowth, aes ( x = group, y = weight, fill = group)) + geom_boxplot () pg_plot # Reverse the legend Sep 19, 2019 · 이번엔 범례의 순서를 조정 해 보자. Instead, it matches the order of the legend as determined by the order of levels in the factor. While this can be done in base R, { forcats } offers a number of helpers for convenient factor manipulation. Changing factor levels really does change the order of dodged bars! Common pitfall: the colors still stay at a certain position, so taking a quick glance makes it look like the order has not changed. 3 How to rearrange legend order in a ggplot. 2. frame. Reordering my data frame didn't work, and scale_fill_discrete also doesn't change it. Using two data frames in ggplot Dec 10, 2018 · Most threads are about changing the order of the items within an aesthetic, but that's not my problem. Please see the figure. How can I do this? Minimal-ish code follows. Order legend with stacked bar chart - ggplot. I want to use scale_color_discrete to change the order and names of the legend and use scale_color_manual to change the colors of the graph. You can find more information here Editing legend (text) labels in ggplot or ggplot legends - change labels, order and title on changing ggplot legend labels. I'm trying to create a stacked barchart, everything is working except that it's hard to interpret the chart due to the ordering of the legend in connection with the fill aestethic. background = element_blank(). To change the order of items (e. First, we need to replicate our data: data_new <- data # Replicate data. 4. It seems that the legend. geom_point(aes(color = drv), alpha = 1/3) + theme_bw() +. How to rearrange legend order in ggplot. Feb 18, 2017 · Change legend order ggplot bar. Editing legend (text) labels in Jun 19, 2017 · In both cases, my plotting order has been this: Create ggplot. What I would like it to do is to show the legend key entries in the order DDD, AAA, CCC then BBB, which is the order of performance as of the most recent date. The file is automatically created on a website according to my wishes. Example if the items of your legend are A,B,C then you could set the order to C,A,B with factor(my_items, levels = c('C', 'A', 'B')). guides ( col = guide_legend ( reverse = TRUE)) After executing the previous R programming code the legend of our ggplot2 plot has been reversed Aug 5, 2022 · In order to create a legend with multiple rows, we must use the guides() function with the nrow argument: library (ggplot2) How to Change Legend Size in ggplot2 Mar 28, 2018 · Everything works fine but I'm now trying to change the order of the legend entries (so "Group 1" comes first and then "remaining sample") and the title (to "Legend") and can't figure out how. Hot Network Apr 6, 2012 · ggplot2: how to change the order of a legend. I have used the following code for that. Now, I want to change this legend titles. To summarize: In this tutorial you learned how to adjust line colors and types of a Mar 28, 2018 · Change ggplot2 legend order without changing the manually specified aesthetics Hot Network Questions Story about 2 people who can teleport, who are fighting, by teleporting behind the each other to kill their opponent Change the legend position; Change the legend title and text font styles; Change the background color of the legend box; Change the order of legend items; Remove the plot legend; Remove slashes in the legend of a bar plot; guides() : set or remove the legend for a specific aesthetic; Functions: guides(), guide_legend(), guide_colourbar() Change Oct 4, 2017 · 2. 92. – tjebo. 1 the order of the stack is no longer determined by the row order in the data. But the quick answer to your question is that these could be specified in your code in scale_fill_brewer() and not guide_legend(), like this: Note that, the argument legend. An easy fix is to set legend. 0. Since ggplot2 version 2. Jul 27, 2016 · ggplot will usually order your factor values according to the levels() of the factor. 10. re-ordering legend in ggplot2. library (ggplot2) data (mtcars) ggplot (mtcars, aes (factor (cyl), fill=gear)) + geom_bar () To reverse the stacking order, reverse the factor levels. How can I do it? r; ggplot2; ggplot legend order with multiple geoms. Example, using forcats: Dec 3, 2017 · I want to create a boxplot with ggplot2 and I'd like to organize the plot in the order of the data frame, e. Hot Network Questions Is the variance of the Aug 21, 2019 · I want to plot a data frame within a function. change order of legends for multiple aesthetics. Ask Question Asked 6 years, 8 months ago. 2. May 11, 2021 · I having trouble changing the colors and labels of my chart. But that’s not the only way so let’s look at it in Jul 2, 2023 · 2. But then, in my opinion, the spacing in the legend is ugly. g. This is due to the fact that ggplot2 takes into account the order of the factor levels, not the order you observe in your data frame. The legend respects the ordering manually defined, but the bars appear in the opposite way (from the last level to the first). the numeric coding is z=c(2,1). Aug 28, 2018 · The idea is to create each plot individually (color, fill & size) then extract their legends and combine them in a desired way together with the main plot. The legend should be ordered in a specific way. csv in this folder. That does not work bc for factor z=c("b","a") the underlying numbers applied by R follow alphabetic order (which makes sense) s. Fix this be setting legend. I want to change the names to something more rapidly understood by the reader. The second way is to change data frame so that the factor has the desired form. The values and labels won't change the order. A Zhihu column that allows for free expression and writing as desired. Today I've tried it again. How to reorder a legend in Fail to change the order of legend items in ggplot2. You are best of making sure that is the order you want otherwise you will be fighting with a lot of function in R, but you can manually change this by manipulating the color scale: Mar 27, 2023 · Change the order of factors using forcats::fct_relevel. I am struggling with the legend order in ggplot when there are several group of plots. You can set the order of the legend objects by using dplyr::mutate function in conjunction with the factor function. I'm guessing ggplot2 orders the legend alphabetically and I would like to override this. In my example, I would like to specify the location of the fill legend. Tidying the Data To tidy the data, you need to gather the columns except for time into 2 new columns: one to specify the range (i. As u/Tech Commodities mentioned, you can use the guides() functions to specify how the legend looks. Now, we can modify the factor levels of our grouping column in the order we want. I want the stacked bar to follow the order of the legend names, that will say first 'Accomodation', then 'Car expenses' for each household category, respectively. c(0,0) corresponds to the bottom left and c(1,1) corresponds to the top right position. May 4, 2017 · It makes the color column to factors and changes their order, but I would prefer to change this directly in a line of the ggplot call. Please find the main release post to read about other changes. edited Nov 22, 2023 at 6:39. Here's my minimally reproducible example: Change order of items in ggplot2 legend with combined items. This Example shows how to sort legend items of a ggplot2 graphic manually. Any ideas? Mar 15, 2022 · And as you demanded with order=1 this legend is put on top. A numeric or a grid::unit() object specifying the height of the legend key. To do that, you would have to set the limits of scale_x_discrete() (Recipe 8. The CRAN version of ggplot2 now allows users to specify direction=-1 in scale_brewer to reverse the colors. I thus introduce another column in the data. What makes a homepage useful for logged-in users. ggplot (mpg, aes (x =class, y =hwy))+ geom_boxplot () Suppose you’d like the boxes to be ordered in ascending order of their medians. Dec 12, 2012 · I have two legends on my ggplot with two different legend titles (automatically created from ggplot()). The following syntax explains how to reverse the order of a ggplot2 graphic legend. 5. ggplot legend: change order of the automatic legend. These are several time series showing some production values, each named according to the column "Compilation". See more about the cowplot package here & the patchwork package here Apr 18, 2015 · I use ggplot2 to draw a scatter plot which contains both a grouped and an ungrouped geom_smooth(). For example, for EAP: Importance I have the plot going from, left to right, with "Very Important" -> "Important" -> "Less Important" -> "Not at all Important". Apr 3, 2022 · For the final answer, please allow it to specify a specific order, not just something like rev(), because in my actual dataset, I have 6 columns that need a specific order. Mar 24, 2021 · How to Remove a Legend in ggplot2 (With Examples) How to Create a Legend in ggplot2 with Multiple Rows; How to Remove a Legend Title in ggplot2; How to Change Spacing Between Legend Items in ggplot2; How to Change Legend Size in ggplot2 (With Examples) How to Assign Colors by Factor in ggplot2 (With Examples) Apr 18, 2018 · 2. You can change the order of the items in the legend in two principle ways: Refactor the column in your dataset and specify the levels. In this case it is possible to position the legend inside the plotting area. Remove legend ggplot 2. geom_smooth(aes(color = drv), method = 'lm') +. Jul 19, 2016 · I'd like to change the stacking order without affecting the legend order, such that the top class in the legend is also the top class in stacking. Linked. To put the legends in the order of the y axis categories you have to set the order for each of your four fill scales, which requires to explicitly add a scale_fill_discrete in cases where you use the default fill scale: Using the data from one of you older posts: Control Size of ggplot2 Legend Items; Change Display Order of ggplot2 Plot Legend; Coloring Plot by Factor; Combine Multiple ggplot2 Legends; Show ggplot2 Legend at the Bottom of a Plot & Horizontally Aligned; R Graphics Gallery; The R Programming Language . However, these appear to overlap each other and the graph goes back to the default colors or will use my colors but not change the labels. Inside guide_legend () function, we take an argument called reverse, which is a logical parameter. Sep 2, 2015 · For what it is worth, in ggplot2 version 2. Posted in the RStudio community. If you want a rectangle, not a square you need to use legend. ggplot legend order with multiple geoms. This also reverses the legend order. Default value is legend. You can use the following syntax to change the legend labels in ggplot2: p + scale_fill_discrete(labels=c('label1', 'label2', 'label3', )) The following example shows how to use this syntax in practice. Change legend labels from a ggplot object with guides? See more linked questions. Feb 14, 2013 · How can I change the line type in the legend? I would like the "Antal Kassor variable in the legend to be dashed as in the picture (linetype=2). For this task, we can apply the guides () and guide_legend () functions as shown below: ggp + # Reverse legend order. background rectangle. Jan 22, 2022 · We'll do that here, then demonstrate a few other things that will get your plot working as well as finally making your legend in the proper order. I don't want the default order of the text in the legend, so I'd like to change the order Example: Changing Order of ggplot2 Legend Items by Reordering of Grouping Factor. In this case, we will specify to have 2 columns instead of 4. legend does not follow ordered bars in R. Note that we have Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jun 13, 2013 · r ggplot change legend order to match final order of data. Provide details and share your research! But avoid …. Controlling ggplot2 legend display order. 0. I need to plot a bargraph of the above data using ggplot (x-axis -> type, y-axis -> amount, group by size). The function guide_legend() is used : p+guides(color = guide_legend(order=1), size = guide_legend(order=2), shape = guide_legend(order=3)) If a continuous color is used, the order of the color guide can be changed using the function guide_colourbar(): Sep 25, 2017 · However, once you wish to specify legend labels on top of the two aforementioned attributes ggplot2 seemingly starts to break down. The following produces the same plot as the accepted answer. Suppose my legends are as below - Jan 28, 2014 · I am producing a ggplot2 line plot from AESRD 2013 - SCO Bitumen - 7y. text and margin. Nov 25, 2014 · Announcing a change to the data-dump process. t. Note that the order of the items on the x-axis did not change. 1k 20 131 701. You can sort your input data frame with sort() or arrange(), it will never have any impact on your ggplot2 output. One of "horizontal" or "vertical. The interaction() creates levels for you by putting a period between the two categories. Mar 14, 2021 · How to change legend order. Jun 27, 2014 · To get the legend in order convert ur column into an ordered factor like this. r ggplot2 Nov 2, 2015 · I would like everything to remain the exactly the same, except for the legend, where I would like to change the order to levelB then levelC then levelA. How to reorder a legend in ggplot2? 3. In the below case, we use the breaks argument to ensure that the labels in legend represent two levels (4, 8) of the mapped variable. When there are large number of levels in the mapped variable, you may not want the labels in the legend to represent all of them. By the way I am creating a new R package, if this is in any way relevant. The function guide_legend() is used : p+guides(color = guide_legend(order=1), size = guide_legend(order=2), shape = guide_legend(order=3)) If a continuous color is used, the order of the color guide can be changed using the function guide_colourbar(): Jan 25, 2017 · 1) legend. Legends, alongside axes, are visual representations of scales and allow observes to translate graphical properties of a plot into information. Add line ( geom_line ); change line color. size smaller than the font size, it appears to set the height to the font size and the width to whatever you set. Feb 7, 2023 · The easiest way to change the order of the legend items in ggplot is to do specify the ordering directly in your data frame by setting the factor levels. title = element_blank(). Their values should be between 0 and 1. A character string indicating the direction of the guide. " A character string indicating grid::unit() for keywidth and keyheight. If I use this ggplot instead, names matches with shapes and color and come in good order in the legend, but now they do not Adding in example using forcats::fct_rev() function to set the levels of the factor in reverse order. Inside guides () function, we take the parameter color, which will call guide_legend () guide function as value. 1. com Oct 15, 2021 · Now ggplot thinks it's best to put that legend into 4 columns, 2 rows each. Jan 7, 2019 · Using ggplot, the color order does not match the text order as written. To keep things simple in my example I just reverse the order. 376. bs ig fk fs rl fl eo yz mw zl