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r - Reshape multiple categorical variables to binary response variables
I am trying to convert the following format: mydata <- data.frame(movie = c("Titanic", "Departed"), actor1 = c(" ... is a clean way to do this. See Question&Answers more detail:os...
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r - geom_tile and facet_grid/facet_wrap for same height of tiles
Using ggplot, I would like represent a graph tile with panel, but with same height tile for each panel. I have ... , and sorry for my English ! See Question&Answers more detail:os...
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r - Match legend text color in geom_text to symbol
I am trying to color match the text of the legend to the color of text produced by a factored variable ... find anything specific to this. See Question&Answers more detail:os...
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r - How can I add annotations below the x axis in ggplot2?
I have the following graph: library(ggplot2) library(scales) library(magrittr) df1 <- structure( list( x = structure ... the text where I want. See Question&Answers more detail:os...
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r - How to combine ggplot and dplyr into a function?
Consider this simple example library(dplyr) library(ggplot2) dataframe <- data_frame(id = c(1,2,3,4), ... functions using ggplot and dplyr? See Question&Answers more detail:os...
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r - Change geom_text's default "a" legend to label string itself
Similarly to this question, I want to change the default "a" in the legend, but rather than removing it ... geom_text(aes(label = abbrev)) See Question&Answers more detail:os...
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r - Shiny: Dynamic Number of Output Elements/Plots
I want to make a reactive display, that displays a different number of plots depending on which value of the input selector ... ='mpg' ) }) }) See Question&Answers more detail:os...
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r - ggplot2: Drop unused factors in a faceted bar plot but not have differing bar widths between facets
df <- structure(list(ID = structure(c(1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 3L, 3L, 3L ... out. Koshke has posted some examples of this. See Question&Answers more detail:os...
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r - heatmap-like plot, but for categorical variables
I have three factors (set1, set2, and set3) for each of about 50 individuals. The values for set1, set2, ... 'black'). Any suggestions? Thanks. See Question&Answers more detail:os...
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r - Remove all duplicates except last instance
So I have a dataset in R with the following layout as an example: ID Date Tally 1 2/1/2011 1 2 2/1/2011 ... it to do the opposite? Any help? See Question&Answers more detail:os...
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r - Transforming a time-series into a data frame and back
The output of a time-series looks like a data frame: ts(rnorm(12*5, 17, 8), start=c(1981,1), frequency = ... s the most elegant way to do this? See Question&Answers more detail:os...
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r - Force mapply to return a list?
Suppose I have a function that creates data frames. I'd like to run that function with different input values, ... What should I do differently? See Question&Answers more detail:os...
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r - What does this mean: unable to find an inherited method for function ‘A’ for signature ‘"B"’
I am new to R and keep getting errors with the following message: unable to find an inherited method for ... slightly different meanings in R. See Question&Answers more detail:os...
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r - := (pass by reference) operator in the data.table package modifies another data table object simultaneously
While testing my code, I found out the following: If I assign a data.table DT1 to DT and change DT afterwards, DT1 ... .equal(DT1, DT) [1] TRUE See Question&Answers more detail:os...
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r - Rstudio is duplicating commands in the command line
Having a weird problem in R that seems to have come out of nowhere... output in the RStudio terminal is ... considerably!). Thanks in advance. See Question&Answers more detail:os...
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Oct 17, 2021
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r - How can I rbind vectors matching their column names?
rbind does not check for column names when binding together vectors: l = list(row1 = c(10, 20), row2 = c(20, 10)) ... [1,] 10 20 [2,] 10 20 See Question&Answers more detail:os...
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r - How to italicize part (one or two words) of an axis title
Is there any way to change the style of part of an axis title while keep the rest part unchanged? In my ... .y=element_text(face="italic")) See Question&Answers more detail:os...
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r - Calculate the mean of one column from several CSV files
I have over 300 CSV files in a folder (named 001.csv, 002.csv and so on). Each contains a data frame with ... tweaking, I have run out of ideas. See Question&Answers more detail:os...
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r - Accurately converting from character->POSIXct->character with sub millisecond datetimes
I have a character datetime column in a file. I load the file (into a data.table) and do things that require ... attached): [1] tools_2.15.2 See Question&Answers more detail:os...
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r - Make sequential numeric column names prefixed with a letter
I want to add a label to my dataset. However, the problems is that there are so many columns in my data ... better way to generate these names? See Question&Answers more detail:os...
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r - How to run lm models using all possible combinations of several variables and a factor
this is not my subject so I am sorry if my question is badly asked or if the data is incomplete. I am ... how to post properly questions. Lina See Question&Answers more detail:os...
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r - How to generalize outer to n dimensions?
The standard R expression outer(X, Y, f) evaluates to a matrix whose (i, j)-th entry has the value f( ... LETTERS[10:20], respectively. Thanks! See Question&Answers more detail:os...
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398
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r - propagating data within a vector
I'm learning R and I'm curious... I need a function that does this: > fillInTheBlanks(c(1, NA, NA, 2, 3, NA ... (v)] <- value } return(result) } See Question&Answers more detail:os...
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r - shiny leaflet ploygon click event
I have a map called business which is downloaded from natural earth website. What I am doing here is I created a basic ... ), selected="") )))) See Question&Answers more detail:os...
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r - paste two data.table columns
dt <- data.table(L=1:5,A=letters[7:11],B=letters[12:16]) L A B 1: 1 g l 2: 2 h m 3: 3 i n 4: 4 j o 5: 5 k ... : 3 i n in 4: 4 j o jo 5: 5 k p kp See Question&Answers more detail:os...
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r - Change path.expand location (Win 7)
Currently: path.expand("~") Gives: "C:\Users\trinker\Documents" I want it to yield: "C:\Users\trinker" ... \Users\trinker\Documents it is now. See Question&Answers more detail:os...
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r - Plot data over background image with ggplot
I'm trying to plot some data over a background image. The problem is that both layers end up using the ... or something I'm overlooking. See Question&Answers more detail:os...
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r - In ggplot2, coord_flip and free scales don't work together
Here is some example data for a hypothetical meta-analysis on the effectiveness of sports-promotion interventions for ... data for that facet? See Question&Answers more detail:os...
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