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I would like to count the occurrences of a string in a column ....per group. In this case the...
I have 65 columns and 50 rows. Among 65 columns, 60 columns' names start with rs. These 60 columns...
I've read in my SPSS file in R and want to recode a new variable if such and such assumptions are...
This question already has an answer here: How to reshape data from...
I want to solve the following system of equations for b,c and d: 1 = b² + 6bd + 2c² +...
I have a differential equation (in LaTeX code) given by: \begin{align*} \frac{d}{dt}V_0(t) &=...
I am trying to export a sheet with data and pictures from ".xls" file to an over...
System: macOS Sierra 10.12.6 Xcode: 9.2 (2347) R: 3.4.0 RStudio: 1.1.383 I'm attempting to...
I am struggling with my first shiny app and having problems to make it work due to, I think, I am...
Struggling with producing two sets of data from one data frame splitting it by a variable sex. The...
I am trying to install RStudio through conda, and bumps into this problem: conda install...
I have a table visualisation in PowerBI that sums the top 10 products sold by sales quantity. I...
I have a csv file containing two columns, "Taxon" in column A and "Tip" in column C. I would like...
I have a dataframe subs containing 9 variables (+4 non numerics but those are not relevant). I...
This question already has an answer here: How do I change the...
If R just brings all the data from Hive into memory (especially statistical analysis) and the...
I am using a package rtweet to download tweets based on a keyword. The function search_tweets()...
This question already has an answer here: How to join (merge) data...
My list logs is a list of list with the below structure, $ :List of 3 ..$ success : logical...
Can someone tell me how I integrate the following dplyr code with a ggplot bar chart. I have them...
set.seed(999) lookup <- mtcars[1:6,1:2] #lookup table data <- mtcars[4:7, 1:2] ...
I am using lattice to make a bar chart inside RStudio. Below is my code. my_cols <- c("dark...
I have the data frame One_APD: One_APD = structure(list(Amplification = c(108.91, 120.765,...
text = 'this is ; an example' Language is R. I'd like to understand...
https://community.plot.ly/t/how-to-plot-multiple-x-axis-in-plotly-in-r/3014/3?u=him4u324 I have...
Im quite new to R-programming, so Im in need of assistance from more experienced guys like you! Im...
I am creating function for below activities: library('data.table') library(dplyr) T2 <-...
Suppose that I have 5 variables for each observation (12 observation in a dataset) and I classify...
I have been given two GPS data sets and have been told to determine if there some type of...
When I try to load fPortfolio, the following error message occures. Do someone knows how to solve...