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Mtext coordinates in r

mtext coordinates in r Add Text to a Plot Description. 2 for R Replace your mtext() call with the following: # Set character expansion size cx <- 2. If I create a new mleader using the same style my program uses, then use that new mleader to "match properties" all of the program created mleaders then save again and reopen, the mleaders show up correctly. Say we have two large sets of points, A and B, stored as 2-column matrices of Cartesian coordinates: R-Trees for point data in R. and Wilks, A. mtext. I found a great package in R called revgeo and thought this would be pretty easy to The {graphics} package comes with a large choice of plots (such as plot, hist, barplot, boxplot, pie, mosaicplot, etc. They might be using plot() or even know the full list of its parameters but most never understand it fully. 1, . To make a search, use the name of a place, city, state, or address, or click the location on the map to find lat long coordinates. The height of (default sized) characters in inches. 75,cex=1,font=2) > axis(side=2,las=2,tcl=. 02,0. R mtext. matrix: Draw a Boxplot for each Column (Row) of a Matrix bxp: Draw Box Plots from Summaries Plot multiple protein isoforms in R. 8 m with constant speed (v) of 2 m/s. rm = TRUE), range(y, na. R PCH Characters; R Graphical Output Options; Useful R Links See full list on stat. R. See full list on rdrr. The device dimensions in inches. The plot generic was moved from the graphics package to the base package in R 4. Bar Plot; Box Plot; Line Plot; R Graph Layout Guides. and Wilks, A. POSIXct: Date and Date-time Plotting Functions axTicks: Compute Axis Tickmark Locations barplot: Bar Plots box: Draw a Box around a Plot boxplot: Box Plots boxplot. Example 1: coordinate of the position that mtext() used. com 2004-11-07 Granted to the public domain. y may be missing since xy. However, plot() is what’s called a generic function in R, which means its behavior can change depending on what kinds of data are passed to the function. Wadsworth & Brooks/Cole. g. net Here’s some code to get a really nice looking plot in R. 9, . The {graphics} package comes with a large choice of plots (such as plot, hist, barplot, boxplot, pie, mosaicplot, etc. I have a Autolisp routine that prints the coordinate x,y of the location I pick on the screen (location). mtext (text, side = 3, line = 0, outer = FALSE, at = NA, adj = NA, padj = NA, cex = NA, col = NA, font = NA, ) at : give location of each string in user coordinates. 3 also has coordinates (2,5π/4) and (2,−3π/4). Alternatively, any object which defines coordinates (a plotting structure, time series etc: see xy. coords(x, y) is used for construction of the coordinates. To add new points to an existing plot, use the points() function. Click the field text. formula for the formula method; points, particularly for type %in% c("p","b","o"), plot, and the workhorse function plot. Single Graph - Margins and Plot Area; Multiple Graphs - Grid Layouts; Multiple Graphs - Mixed Size Layouts; R Miscellaneous Guides. Below is a simple example: Chapter 3 Standard graphical formatting in R. x the n coordinates of the points where the density is estimated. . Then, only one title is added and centered using mtext (). Becker, R. r = 0. par(): the default settings (rows x columns) for plots. The xts version on CRAN is currently 0. ME 231: Dynamics Express the magnitude of v in terms of v and . window(range(x, na. As I continue to work on my dissertation, I have come across a few glitches in executing what should be easy scripts from various packages in R and Python. R. qqline adds a line to a “theoretical”, by default normal, quantile-quantile plot which passes through the probs quantiles, by default the first and third quartiles. Double-click the field text. 9, NA, . lines. . text draws the strings given in the vector labels at the coordinates given by x and y. mtext () function writes in one of the four margins of the current figure region or one of the outer margins of the device region. y may be missing since xy. axes argument. matrix: Draw a Boxplot for each Column (Row) of a Matrix bxp: Draw Box Plots from Summaries Add Text to a Plot Description. In other words, a position vector r is an alternative way to denote the location of a point in space! We can use three coordinate values to specify a point’s location, or we can use a single position vector r. xy. The ``user coordinates'' in the outer margins always range from zero to one, and are not affected by the user coordinates in the figure region(s). ) and additional related features (e. You can verify this by firing up the R prompt and typing par (“mar”) or par (“mai”). Becker, R. All of the named arguments can be vectors, and recycling will take place to plot as many strings as the longest of the vector arguments. 2, . See full list on statmethods. M. , Chambers, J. 1, . References. , Chambers, J. There are 12 combinations (3 on each side of the box, as left, center and right align). R FAQ; R By Graph Type. yaxs The style of axis interval calculation to be used for the y-axis. size("in") x <- grconvertX(c(0, di[1]), from="in", to="user") y <- grconvertY(c(0, di[2]), from="in", to="user") Plotly is a free and open-source graphing library for R. 2 points(). If you want to annotate the main contour plot, for example to add points, you can specify graphics commands in the plot. #Dummy data Ixos <- rnorm ( 4000, 100, 30) Primadur <- Ixos +rnorm ( 4000 , 0 , 30) #Divide the screen in 1 line and 2 columns par ( mfrow=c ( 1, 2 ), oma = c ( 0, 0, 2, 0) ) #Make the margin around each graph a bit smaller par ( They work as a labels to any pictorial or graphical representation. On the one hand, the mtext function in R allows you to add text to all sides of the plot box. The mtext() function allows the user to place the text on the margins of the plot. Plots from First Principles 0 2 4 6 8 10 12 14 Group 1 Group 2 coordinates for everyone R Graphics – p Coordinates of the figure region in the display region of the device Value used to position text in margins by axis and mtext functions: Numeric value, *0. 2). text: Add Text to a Plot Description. graphics abline: Add Straight Lines to a Plot arrows: Add Arrows to a Plot assocplot: Association Plots axis: Add an Axis to a Plot axis. Latitude and Longitude Finder. 82,0. Deconstructing a plot The y-axis can be added using basic R functions mtext() and axis(). (1988) The New S Language. side : an integer specifying the side of the plot; Possible values are : 1: bottom. Ensure that the text is enclosed in single/double quotes and the coordinates provided are within the range of the X and Y axis variables. A. coordinates of that point (e. entities. Details. coords(x, y) is used for construction of the coordinates. coords(x, y) is used for construction of the coordinates. Many methods will If give. Regards, Jinsong The mtext () R function can be used to put a text in one of the four margins of the plot. Rpad. mtext (“Label”, side = 1, line = 7) the option side takes an integer between 1 and 4, with these meaning: 1=bottom, 2=left, 3=top, 4=right. A list containing x and y components which are the coordinates of the identified points in the user coordinate system, i. I could use a set of coordinates, but then the text would be placed at the same location everytime and I do not want that. It is often the preferred way to draw plots for most R users, and in particular for beginners to intermediate users. The minimum input you need to provide is the text itself. The x coord takes random values from 1 to 25 and; both the y and the radius r coord are samples from \(N(0,1)\). Syntax: text(x, y, labels) Parameters: x and y: numeric values specifying the coordinates of the text to plot labels: the text to be written. I am trying to understand circular focal means using rasters having NA values. 0. 9, . 5, labels="1st label") Use this tool to find and display the Google Maps coordinates (longitude and latitude) of any place in the world. 2) 6 plotPath <- function(x, y, col = "grey", rule = "winding") { plot. Note that the documentation declares that "user coordinates" in mtext () do not match those on the plot, but it appears that they do at the moment (R-1. M. R. If you're having trouble defining the location, you can use your mouse with the locator() function to find the coordinates interactively. cxy: R. You just need to change the side and adj to obtain the combination you need. A. It gives me two single strings of text R tips and tricks – the locator function Blog , MiscTips , R Posted on 03/08/2017 How many times have you placed the legend in R plot to discover it is being overrun by some points or lines in the chart? Hello, I have a lisp which draw internal boundary based on the text/mtext inside enclosed areas (such as rooms,etc). Also, I'm trying to avoid the use of (entmod). 5)*strheight("Ug") You will probably have to fiddle with the The user coordinates in the outer margins always range from zero to one, and are not affected by the user coordinates in the figure region(s) — R differs here from other implementations of S. err graphics abline: Add Straight Lines to a Plot arrows: Add Arrows to a Plot assocplot: Association Plots axis: Add an Axis to a Plot axis. In this case I put the label onto the 7 th line from the X axis. See www. The plot region is assumed to be [0,1]X[0,1] and plotting regions are defined as rectangles within this square. line measures the distance outwardly in character size units. An example is given below. screen' function - multiScatterPlot. The persp() function which is used to create 3D surfaces in perspective view. abline for drawing (single) straight lines. Notice that BricsCAD displays the mtext editor. O. coords) can be given as x, and y left missing. > mtext (c ("Low","High"),side=1,line=2,at=c (5,7)) This would place the words "Low" and "High" on the second line below the X axis centered at 5 and 7 units. When you click, “Something to read” is printed and the rest of the code is executed. Latitude and Longitude are the units that represent the coordinates at geographic coordinate system. table package for manipulation. (1988) The New S Language. e. MText¶ Set attribute rotation to angle (in degrees) and deletes dxf. To edit fields placed by the MText command, you use this procedure. Returns: Added text to plot. R Project Website; R Guide Navigation. Text Wrapping in Matplotlib. Hello, I wonder if you can help me please. It is often the preferred way to draw plots for most R users, and in particular for beginners to intermediate users. na(col)) mtext(paste("Rule:", rule), side = 1, line = 0) } plotRules <- function(x, y, title) { plotPath(x, y) plotPath(x, y, rule = "evenodd") mtext(title, side = 3, line = 0) plotPath(x, y, col = NA) } op <- par(mfrow = c(5, 3), mar = c(2, 1, 1, 1)) plotRules(c(. Therefore, we can do the It is a bit more convenient sometimes, to be able to express the gradient directly in polar coordinates or spherical coordinates, like it is expressed in rectangular coordinates as above. Axis for a generic interface. 9, . You should get back a vector with the above values. 82,0. It allows the user to modify the location of the text in multiple ways and we will explore them one by one. ). Cartesian Cylindrical Spherical Cylindrical Coordinates x = r cosθ r = √x2 + y2 y = r sinθ tan θ = y/x z = z z = z Generally, the plot() function takes two vectors of numbers: one for the x-axis coordinates and one for the y-axis coordinates. M Understand how to customize your plots in R and make them more fancier. (1988) The New S Language. A. I tend to use mtext() ("usr") gives us the coordinates of the plotting region in the order x1, x2, y1, y2. Look at the end of the vector, R Library Notes From Roger’s Seminars on R Graphing in R This page contains the lecture notes from Graphing in R which was a part of a series of seminars given by Roger Peng at the Statistical Department at UCLA during the summer of 2002. Introduction plot() function: plot() function is generic function for plotting of R objects in basic graphs. In other words, I hope to convert: mtext("Y label", side = 4, at = 0, line = 2) to text(x, 0, "Y label", str = -90) Now, I don't know how to get the x in the above expression. R text vertical. 7. Note that c(strwidth(ch),strheight(ch)) for a given string ch is usually much more precise. y the y coordinates of points in the plot, optional if x is an appropriate structure. There are 12 combinations (3 on each side of the box, as left, center and right align). Becker, R. > mtext("1:10", side=2, line=3) R Graphics – p. We’ll start by describing how to use ggplot2 official functions for adding text annotations. Refer below image for details Also, guys the lisp is somewhat very slow 2 We can describe a point, P, in three different ways. dat) with NaN’s in the rows that separate line segments. For the plot region, to add labels you need to specify the coordinates and the label. The mtext box is shrunken and the text is unreadable. R. We recommend you read our Getting Started guide for the latest installation or upgrade instructions, then move on to our Plotly Fundamentals tutorials or dive straight in to some Basic Charts tutorials . DOUBLE-CLICKING FIELDS IN MTEXT. Last May 24-25, 2018, I attended the 9th West Pacific East Asia - National Stock Assessment Program (WPEA-NSAP) Tuna Catch Estimates Review Workshop at Ocean 101, Catangnan, General Luna (Siargao), Surigao Del Norte It is surprising how hard it is just to automatically add the legend! All "plotting coordinates" mentioned here are in device coordinates. Add text to plot in R . Notice that its background color changes to blue. text draws the strings given in the vector labels at the coordinates given by x and y. If beside is true, use colMeans(mp) for the midpoints of each group of bars, see example. Alternatively, a single plotting structure, function or any R object with a plot method can be provided. We won’t go into detail about that behavior for now. 1. There seem to be more up-to-date products, but this served my needs for the moment, and I thought I’d pass along the address to other R users. ). ). Because these rsreferto di↵erent distances, some people use ⇢ instead of r in cylindrical coordinates to distinguish We are simply calling a new plotting device (plot always initiates a new device), plotting the coordinates (5,5), which we can’t see because of type="n", and we’re also telling R that we don’t want any default axes or annotations (e. Arguments to be passed to methods, such as graphical parameters (see par). . Following examples allow a greater level of customization. The option line takes an integer with the line number, starting from 0 (which is the line closer to the plot axis). The points function has many similar arguments to the plot() function, like x (for the x-coordinates), y (for the y-coordinates), and parameters like col (border color), cex (point size), and pch (symbol type). io set_rotation (angle: float) → ezdxf. Labelling Panels in R. qqnorm is a generic function the default method of which produces a normal QQ plot of the values in y. Obtain the magnitude of average acceleration by computing v/ t. O. size function and the din argument of par will tell you the size of the the point negative 8 comma 5 is reflected across the y-axis plot negative 8 comma 5 and its reflection across the y-axis so first let's plot negative 8 comma 5 so its x-coordinate is negative 8 so I'll just use this one right over here so the x-coordinate is negative 8 and the y-coordinate is 5 so I'll go up 5 so the y-coordinate is 5 right over here you see negative 8 and 5 we've gone 8 to A Computer Science portal for geeks. the number of coordinates required to locate the particle. coords(x, y) is used for construction of the coordinates. , abline, lines, legend, mtext, rect, etc. The point with polar coordinates (r,θ) has rectangular coordinates x = rcosθ and y = rsinθ; this follows immediately from the definition of the sine and cosine func-tions. References. character, and recycled if necessary to the length of x. Learning some terminology will help you get used to the base R graphics system: A high-level plotting function is one that is used to make a new graph. 1 20 random coordinates (x,y) and; radius \(r\) for each data point. The mtext () function allows to write text in one of the four margins of the current figure region or one of the outer margins of the device region. But one issue I am facing is that if there is mtext ,it draws boundary around mtext also which I dont want. Side Effects The given text is written onto the current plot. Move the marker to the exact position. Wadsworth & Brooks/Cole. plot(): the main function. RGPR was initially developed to compensate for shortcomings of commercial GPR data processing applications. If supplied separately, they must be of the same length. text draws the strings given in the vector labels at the coordinates given by x and y. Recommended NOT to use these, as know how to program it to do so. You just need to change the side and adj to obtain the combination you need. The following example roughly works for me with the default plot Hi David, You can get the "X" coordinates of the beginning and end of the text by using the strwidth function: # this is inefficient, but easy to follow begintext<-at-strwidth("foo")*par("adj") endtext<-at+strwidth("foo")*(1-par("adj")) the strheight function can be used to get the "Y" coordinates: bottomtext<-par("usr")[1]-(line+0. M. A simplified format of the function is : mtext(text, side=3) text : the text to be written. We can get the coordinates of the device (in inches), and then we can translate these to user coordinates with appropriate functions: plot(rnorm(100)) di <- dev. Note: A version of rtree which uses the current BH package and requires R 4. Base plotting is as old as R itself yet for most users it remains mysterious. 2, . 2. To add a text to a plot in R, the text() and mtext() R functions can be used. The pop-up window now contains the coordinates for the place. g. See the examples. new() plot. Glynn Scientific Programmer 17 July 2007 Using Color in R in figure 10. R. Author(s) coordinates of points in a scatter plot. 9-7. I can give it an arbitrary value. See Also. . Thanks a lot for any suggestions. dev. size() (width, height) par("din") (r. org for the source and latest Update (2019-09-21): I revisited this post and I tried to redo the plot but instead I used base R graphics plus the mapplots package and the data. See xy. 1Note that in spherical coordinates the radius r is the distance from the origin, while in cylindrical coordinates r is the distance from the vertical (z) axis. When I select MTEXT it requires a box to be outlined for the text to fit. Here, the figure is first split thanks to par (mfrow. y may be missing since xy. Wadsworth & Brooks/Cole. However, I hope it could be more precise. 75 branch. 11. Add Text to a Plot Description. Two separate coordinate systems are set up for these two plots, but they are only used internally - once the function has returned these coordinate systems are lost. 8, . Join DataCamp today, and start our interactive intro to R programming tutorial for fre An introductory book to R written by, and for, R pirates. R is a interpreted scripting language (not compiled) in the same veine as python or matlab. GitHub Gist: instantly share code, notes, and snippets. If you're playing Minecraft PE, you can view your coordinates as long as you've enabled Cheats for your world. See Also. Usage. First, look at the defaults: plot the data in the simplest possible way. dataCrunchText Annotations: text() Slide 5 To add text annotations using the text() function, the following 3 arguments must be supplied: x: x axis coordinate y: y axis coordinate text: the text to be added to the plot Below is a simple example: # create a basic plot plot(mtcars$disp, mtcars$mpg) # add text text(340, 30, "Sample Text") The text appears at the coordinates (340, 30) on the plot. A. 5 # Get the plot coordinates and the character size ur <- par("usr")[c(1, 4)] chr <- par("cxy") rect(ur[1]+chr[1]/10, ur[2]-chr[2]*cx, ur[1]+chr[1]*cx, ur[2]-chr[1]/10, border=NA, col="white") text(ur[1]+chr[1]*cx/2, ur[2]-chr[2]*cx/2, "a", font=2, cex=2. , titles or axis labels). din: R. . 0. , the one R. labels: an optional character vector giving labels for the points. text draws the strings given in the vector labels at the coordinates given by x and y. Description text is written in one of the four margins (side) of the plot. On the one hand, the mtext function in R allows you to add text to all sides of the plot box. POSIXct: Date and Date-time Plotting Functions axTicks: Compute Axis Tickmark Locations barplot: Bar Plots box: Draw a Box around a Plot boxplot: Box Plots boxplot. 2: left. 5, col="red") 1) Assign to cx the cex= value that you are using in text(). Examples of higher level plotting functions are the general plot() and the barplot() functi Two separate coordinate systems are set up for these two plots, but they are only used internally – once the function has returned these coordinate systems are lost. par("cxy") is par("cin")/par("pin") scaled to user coordinates. Base R is also a good option to build a scatterplot, using the plot() function. dimlinear dli mtext mt donut do mview mv dtext dt offset o ddosnap os ddselect se pan p setvar set pedit pe spell sp pline pl spline spl point po splinedit spe preferences pr style st preview pre tilemode ti plot (print) print toolbar to purge pu trim tr redraw r dducs uc redrawall ra ddunits un regen re ddview v regenall rea ddvpoint vp R Reference Card by Tom Short, EPRI PEAC, [email protected] 42)) The numbers used above are the default margin settings in R. Below is a simple example: plot(mtcars$disp, mtcars$mpg) text(x = 340, y = 30, labels = 'Sample Text') The text appears at the coordinates (340, 30). 8), c(. This weekend, I gave myself the task to reverse geocode ~1 million latitude and longitude coordinates. If you want to annotate the main contour plot, for example to add points, you can specify graphics commands in the plot. The coordinates can be passed in a plotting structure (a list with x and y components), a two-column matrix, a time series, …. This function will draw perspective plots of a surface over the x–y plane. The velocity undergoes a vector change v from A to B. ethz. g. 3D plot in R Language is used to add title, change viewing direction, and add color and shade to the plot. Express the time interval t in terms of v, , and r. , Chambers, J. Add Text to a Plot Description. Contribute to hunzikp/rtree development by creating an account on GitHub. 1 Stowers Institute for Medical Research R/Bioconductor Discussion Group Earl F. ) (width, height) in inches Both the dev. 0. , Chambers, J. Rkern is true, the number R(K), otherwise an object with class "density" whose underlying structure is a list containing the following components. The user coordinates in the outer margins always range from zero to one, and are not affected by the user coordinates in the figure region(s) --- R differs here from other implementations of S. ) and additional related features (e. text draws the strings given in the vector labels at the coordinates given by x and y. Often x2 will == x1, but can be overridden # ylim1 and ylim2 are the vertical limits of the 2 axes. plot(z~x) text(locator(1), "Something to read", pos=4) mtext("Something else to read", side=1, line=2) Once that the code has been entered in the script window and executed (via CTRL+R), the mouse pointer turns into a cross which you may use to indicate where to write “Something to read”. The ultimate goal of RGPR is to promote GPR related research by providing access to the flexible and rich R environment. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. In this article we will learn to to add a text to a plot in R Language by using the text() and mtext() functions. Type /tp ~ ~ ~, and then press the Enter key to reveal your coordinates in the bottom-half of the window. text draws the strings given in the vector labels at the coordinates given by x and y. Because of this, the size of everything in the plot (axes, points, text, axis labels, etc) has to be increased. 6. , x =0, y =4, z =-2). Zoom in to get a more detailed view. The chart #13 below will guide you through its basic usage. I made a couple of scenarios to better understand how to combine weight matrices and functions to summarize values. R par (mai=c (1. 13/47. axTicks returns the axis tick locations corresponding to at = NULL; pretty is more flexible for computing pretty tick coordinates and does not depend on (nor adapt to) the coordinate system in use. Becker, R. R text. text_direction if present. o. Wadsworth If you want to annotate your plot or figure with labels, there are two basic options: text() will allow you to add labels to the plot region, and mtext() will allow you to add labels to the margins. Convert Text to Elevations With Points In AutoCAD By Data Extraction from ExcellVisit the following link to download Free Lisp file to convert your text to p A scatter plot is a set of dotted points to represent individual pieces of data in the horizontal and vertical axis. M. O. , Chambers, J. Just copy the values for longitude and latitude. Text can be rotated by using graphical parameters srt (see par). and Wilks, A. . and Wilks, A. A vector of the form c(y1, y2, n) giving the coordinates of the extreme tick marks and the number of intervals between tick-marks unless for log coordinates, see xaxp above. 5) ¶ Set background color as AutoCAD Color Index (ACI) value or as name string or as RGB tuple (r, g, b). coords. ch It’s also possible to use the R package ggrepel, which is an extension and provides geom for ggplot2 to repel overlapping text labels away from each other. Author(s) Ross Ihaka. The relationship between rectangular and polar coordinates is quite easy to under-stand. Polar Coordinates (r,θ) Polar Coordinates (r,θ) in the plane are described by r = distance from the origin and θ ∈ [0,2π) is the counter-clockwise angle. A graph in which the values of two variables are plotted along X-axis and Y-axis, the pattern of the resulting points reveals a correlation between them. coords(x,y) is used for construction of the coordinates. I exported the data in ASCII “Matlab” format, which is basically just a 2-column text file (. coords(x,y) is used for construction of the coordinates. 1 R Plotting Lingo. There are many other plot functions which are specific to some tasks such as hist(), boxplot(), etc. 1, . y may be missing since xy. par for line type (lty) specification and how to specify colors. For example: text(x=50, y=-1. We want here an expression involving partial derivatives with respect to r and multiplied by vectors pointing respectively in the r direction, and direction. To find your coordinates, tap the Chat icon at the top of the screen. Type an address into the search field in the map. 0 or later is available in the BH_1. Each point (row of the data frame) has a name ind1 … ind25. ; size of default character (width,height) in user coordinate units. The arguments side , line , at , at , adj , the further graphical parameters and even outer can be vectors, and recycling will take place to plot as many strings as the longest of the vector arguments. This article attempts to demystify base graphics by providing a friendly introduction for the uninitiated. Excess Multi-scatter plot example in R using 'split. > mtext("Read Depth",side=2,line=1. Quantile-Quantile Plots Description. , abline, lines, legend, mtext, rect, etc. # x1 and y1 are the x and y coordinates for first line # x2 and y2 are the x and y coordinates for second line. rm = TRUE)) polypath(x, y, col = col, rule = rule) if (!is. To learn how to find your coordinates on a console, keep x the coordinates of points in the plot. Field text in mtext; Now double-click the blue and notice that the Field dialog box appears. To beign with, let us add text to the plot using the mtext() function. Will be coerced using as. I want to combine a text I place in the margins with mtext() with a graphics object that I create either using points() or polygon(). y may be missing since xy. A numeric vector (or matrix, when beside = TRUE), say mp, giving the coordinates of all the bar midpoints drawn, useful for adding to the graph. It is currently re-exported from the graphics namespace to allow packages importing it from there to continue working, but this may change in future versions of R. (1988) The New S Language. GitHub Gist: instantly share code, notes, and snippets. I see! The position vector is essentially a pointer. A. g. It has a high pixel count to produce a high resolution output that can be used in a word document. Picking a point on the screen adjacent to it it prints the coordinates at that point using the text command. Thank you Adesu, however I am looking for a way to change text or mtext to some value stored in lisp withOUT using a dialog box or the in-line editor. We found these easier to work with than user coordinates. Add straight lines The R function abline() can be used to add vertical , horizontal or regression lines to a graph. Using that version, you need to use text() and the srt parameter to add and rotate text. axes argument. set_bg_color (color: Union[int, str, Tuple[int, int, int], None], scale: float = 1. 3: top. y may be missing since xy. R base plotting without wrappers. All of the named arguments can be vectors, and recycling will take place to plot as many strings as the longest of the vector arguments. mtext coordinates in r