r

[Solved] Counting Values in R Vector

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I like findInterval for these sorts of tasks: x <- c(1,2,3,20,21,22,40,41,42,60,61,62,80,81,82) table(findInterval(x,c(0,20,40,60,80))) 1 2 3 4 5 3 3 3 3 3 4 solved Counting Values in R Vector

[Solved] R three dimensional arrays [closed]

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So the way your question is posed is a bit sloppy, but an example of what you might be trying to do is to take the average of each 2000 x 22 array for each of the 3 of them. here is how this would be done: arr = array(1, dim=c(2000,22,3)) dim(arr) m = NULL … Read more

[Solved] How to create 4 random defined percentages that sum 1

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Let ll <- c(0.2, 0.2, 0.15, 0.15) ul <- c(0.5, 0.5, 0.4, 0.3) where ll and ul correspond to lower and upper limits for each of the random variables. Next, x <- runif(length(ll), 0, ul – ll) is a vector of uniform random draws from intervals [0,0.3], [0,0.3], [0,0.25], and [0,0.15]. The reason for this … Read more

[Solved] Complete missing values in time series using previous day data – using R

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If I understand correctly, the trick is that you want to fill downward except for the bottommost NAs. And the problem with tidyr‘s fill is that it goes all the way down. This isn’t a fully-tidyverse solution, but for this data: library(dplyr) library(tidyr) data <- tribble( ~Date, ~time_series_1, ~time_series_2, as.Date(“2019-01-01”), NA, 10, as.Date(“2019-02-01”), 5, NA, … Read more

[Solved] is there a R code for group_by and combinations

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Introduction Group_by and combinations are two powerful tools in the R programming language. They allow users to quickly and easily manipulate data and create meaningful insights. Group_by allows users to group data by one or more variables, while combinations allow users to create all possible combinations of a set of variables. In this article, we … Read more

[Solved] How to create 4 random defined percentages that sum 1

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Introduction If you are looking for a way to create four random defined percentages that sum to 1, then you have come to the right place. In this article, we will provide a step-by-step guide on how to generate four random defined percentages that sum to 1. We will also discuss the importance of using … Read more

[Solved] Run R function in VBA macro

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You can run an R script in VBA by creating Windows Shell obejct and passing it a string that executes an R script Sub RunRscript() ‘runs an external R code through Shell ‘The location of the RScript is ‘C:\R_code’ ‘The script name is ‘hello.R’ Dim shell As Object Set shell = VBA.CreateObject(“WScript.Shell”) Dim waitTillComplete As … Read more

[Solved] Change data.frame into array [closed]

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This is a really unusual thing to do. No, it’s worse than unusual. It’s probably just bad. Matrices and arrays are useful, appropriate and very fast if all of the data is of a single class. If you have mixed classes, then work with data frames instead. But here you go. In the first example … Read more

[Solved] i want to calculate what emotions are impacting sentiments how can i do this in R?

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This question is very vague and does not have any specific code to further understand what you mean (reproducible example). It seems to me that you need to understand the data using descriptive statistics first. Functions such as summary, head, names, levels, sapply and nlevels (by column) can help you to begin understanding what you’re … Read more