I am trying to create aliases for functions in R. For example, to get the length of a vector in R: length(the_vector) #returns the length of the vector I w
I would like to plot geom_text() in a facet_wrap with scale = free. I tried to use geom_blank() or, set each height on each graph, but it was not successful. Wo
Problem description I am having to use Anaconda on Windows, and am trying to write an RMarkdown document, knitted into a pdf, where within the RMarkdown I am us
I have applied the following code on airquality dataset available in R, which has some missing values. I want to omit the rows which has NAs library(SparkR) Sys
I need to use the "not-a-knot" cubic spline for interpolation in my R scripts. Although there are some R packages for splines, none of them seem to consider th
I've the following dataset: https://app.box.com/s/au58xaw60r1hyeek5cua6q20byumgvmj I want to create a density plot based on the time of the day. Here is what
Occasionally, for reasons I can not determine, ess-indent-or-complete sends an input to the R console. In other words, I will be typing something, hit tab to au
I am trying to upload a zip file through my shiny app that contains a bunch of xml files in it, and then process them. My code looks something like this: libra
How do I use variable column names on the RHS of := operations? For example, given this data.table "dt", I'd like to create two new columns, "first_y" and "firs
I have a dataset and the row which I need has an NA value. If I use na.omit, the rows will be omitted; however, I need the row. Hence I need to predict a value
Here is my dataset: data <- read.table(header = TRUE, text = " group index group_index x y z a 1 a1 12 13 14 a 2 a2
I have a data frame that some rows that need to be further grouped by some of the overlapped values among rows col1, col2 a1, 2;3 a2, 2 a3, 3;4 a4, 4 a
I have a similar problem to Q: Connecting across missing values with geom_line, but found the answers provided only connect the lines when there is one missing
I am trying to produce a bipartite graph for a yelp sample dataset. If the user reviews one restaurant, one edge will connect this user and the restaurant, that
I applied machine learning algorithm with caret package (caretlist) to predict death in a cohort of patients according to multiple variables (e.g. age, gender,
I used the following function to find standard error of variables. but when I run the same function now, it is not working. st.err <- function(x) { sd(
I am populating a table by using Insert UI elements. I also want to delete both table entries and the inserted panels by using the remove UI elements. I could
When using several R/exams exercises with TikZ plots, I have no problems generating exams in HTML format or for Canvas. However, exactly the same exercises when
I'm trying to use the entire page width when rendering an R markdown document using rmdformats::readthedown. First, you can see that it isn't a problem using on
Within a Shiny application, I would like to provide users the option to select a regression method and then show the fit on their data on an existing ggplot2 gr