Questions tagged [rstudio]
This tag should be used to ask questions about the usage, installation, configuration and upgrade of the RStudio IDE. Questions related to programming in R, Rmarkdown or Shiny should be tagged with their respective separate tags
72 questions
4
votes
1
answer
28
views
R Chart Overlay data
I have some data in a CSV that pertains to bandwidth tests, like so:
Date.Time
Mean
Standard.Deviation
2025/12/24 12:06:46
88382
6046
2025/12/24 12:22:59
93813
3986
2025/12/24 13:36:06
91530
8136
2025/...
- 173
0
votes
0
answers
9
views
RStudio (Multiple Correlation Analysis)
I have a population of customers (n=50,000) that I would like to analyze (in RStudio) and predict which product is the Next Most Likely (NML) to be bought, based on the current populations active ...
2
votes
1
answer
289
views
CRAN Mirror for Rstudio. Which country should I choose?
I am from Malaysia. I would like to download the R-studio package, but the first thing I need to do is to download the CRAN Mirror. In the list of R studio, there is no country Malaysia available. Can ...
- 21
1
vote
1
answer
42
views
Cannot multiply a numeric and matrix using *
I have two objects: a vector kw with length 2517 and a matrix W.mat with dimensions 2517x9. I am trying to do the operation in ...
- 11
0
votes
1
answer
75
views
Automatic statistical analysis / statistical "diff" tool?
I'm new to data science and wondered if there are ways to have a tool figure out relations between variables that may be relevant to a problem.
Imagine I have a log file that I have pre-processed to ...
0
votes
0
answers
43
views
How to group by the first 5 columns from left and summarize the last 2 columns from right by sum each others using rstudio
I have data frame (.csv) and I need to group by the first 5 columns (Date, APN, PLMN, TAC,ECGI) then summarize the the other last 2 columns (DL_Data, UL_Data) by sum each column separately per grouped ...
0
votes
0
answers
105
views
Is it possible to simultaneously view two parts of the same file RStudio?
This is purely and IDE question. I have been using emacs and ess for my code development, but am interested in trying out ...
- 101
1
vote
1
answer
26
views
Complex graphical representation based on monthly groups
I'm still fairly new to R, and am having some real issues turning a data frame into a graphical representation.
I downloaded some data for house prices in the UK and stripped it down to just the ...
- 11
1
vote
2
answers
757
views
Two computers, different outputs for same code in R studio
So a classmate and I are working with the same data and code for a problem in a data analysis class. My code for this section looks like this:
...
0
votes
1
answer
6k
views
How to change line type in legend in ggplot in R
I have an issue with the "ggplot2"-package, where I cannot get the linetypes in the legend.
The legnd only shows the color of each line, but not the specific type.
My code looks like:
<...
1
vote
1
answer
224
views
Should K-modes or K-means be used?
I have data obtained from a survey and I would like to make a grouping of the individuals who responded to the survey according to the questions they answered. The range of answers is: strongly agree, ...
- 11
1
vote
1
answer
198
views
Clustering 3D with survey data
I have data obtained from a survey and I would like to perform a 3D clustering of the individuals who have answered the survey based on 3 of the questions they have answered:
Are you satisfied with ...
- 11
1
vote
1
answer
46
views
Many regression lines in a plot
How do you plot many regression lines in a plot? This concerns the textbook question from "Forecasting: Principles and Practice". A dataset concerns winning times of Olympic running events. ...
- 21
1
vote
2
answers
149
views
How are the confidence intervals of a model interpreted?
I am doing some work with R and after obtaining the confusion matrix I have obtained the following metrics corresponding to a logistic regression:
...
- 334
0
votes
2
answers
395
views
What does it mean when roc curves intersect at a point?
I am working with a data set and I have obtained the following roc curve:
As you can see, black and Asian ethnicity cross at one point (green and purple lines). Does this have any significance?
Could ...
- 334