I have this dataframe in R mat <-structure(list(a = c(2, 5, 90, 77, 56), b = c(45, 78, 98, 55, 63), c = c(77, 85, 3, 22, 4), d = c(52, 68, 4, 25, 79), e = c
We use google calendar for reservations of several machines, and I am making graphs of the usage. I have a line to extract the titles of the calendars for plot
I have a data frame like this: df = data.frame(order = c(1,2,3), info = c("an apple","a banana[12],","456[Ab]")) I want to clean up to remove the [] and conten
I'm having an issue with a recurring error in a multinomial model I'm trying to create. Specifically, the error occurs when trying to predict test data with the
I've got a dataframe with a column full of pixel coordinates. I want to remove the 'px' from these values so that I can make the entire column numeric without i
I have this code for making a ggplot, which works fine (MRE with a built-in dataset): mydata <- airquality avg <- mean(mydata$Wind) stde <- sd(mydata$W
I would like to check whether in a text there are a) three consonants in a row or b) four identical letters in a row. Can someone please help me with the regula
how would you add a column to this dataset showing the number of individuals of each species?. install.packages("ggplot") library(ggplot) library(ggplot2) star
I found this as an interview question and can't seem to work a solution. You can't use any built in R functions. x <- c(77, 12, 4, 8, 77, 2, 4, 12) answer &
I have a dataset with ~2500 columns in R, and I am trying to find the minimum value greater than zero from the entire data frame. Once I have found this number,
please see this picture I have a DT table in the shiny. I added buttons for downloading the content of the table (Copy, CSV, Excel, PDF). But I would like to ch
I have a large number of variables (columns), but each has missing values for some of the observations (rows). How can I get a set (or all sets) of columns so t
I have a dataset and I would like to keep the value in a column of this dataframe (test_masses) for the mass having the highest intensity for masses close to th
Here's a simple data frame with a missing value: M = data.frame( Name = c('name', 'name'), Col1 = c(NA, 1) , Col2 = c(1, 1)) # Name Col1 Col2 # 1 name NA
I have the following object Formal class 'dgCMatrix' [package "Matrix"] with 6 slots ..@ i : int [1:120671481] 0 2 3 6 10 13 21 22 25 36 ... ..@ p
I am trying to remove pattern 'SO' from the end of a character vector. The issue I run into with the below code is that it will remove any sequence of 'SO' case
My Dockerfile contains the exact code as shown in the statworx website to build an image for a Shiny app. Whenever I run the following code however: # Base imag
I'm doing predictive analytics on R, and I executed a plot command with neither an error message nor an output. I'll reproduce my code from a stroke dataset. st
Hey im using the 'rgoogleads' library in R. https://github.com/selesnow/rgoogleads The problem im facing is that the app is able to access the googleads api fro
guys: I want to use systemfit to estimate a set of formulas which is composed by two parts,as the picture showing: there are four equations needed to be estima