Having trouble with installing R "devtools"?

I run: install.packages("devtools") in my terminal & get the error message: bash: syntax error near unexpected token `"devtools"'. Any ideas of how I can successfully install this R package...

10 November 2016 4,291 0 View

What is the best approach to model Multivariate Non-Gaussian data with multiple covariates?

11 December 2014 265 4 View

How can I find unique entries in Table, in "R"?

Suppose I have a table, T3. I would like to find unique values by removing repeated rows (with reversed entries, e.g. row 1 and 4). The final table I need should look like T4. Simply using...

10 November 2014 8,520 3 View

How can I compute partial correlation coefficients (pccs) in R?

06 July 2014 1,197 2 View

How do you measure the median values of the central tendency?

I've the data in the "Table" given below (as generated from R-package), does anyone out there know how to get the median values as shown in "output"? I've tried using "tapply" but this only works...

05 June 2014 4,750 1 View

How can I find the median in R?

Given a vector, e.g. x

02 March 2014 2,755 5 View

Can anyone help to compute medians?

[problem in R]: How can I compute the medians of the rows in the matrix x3; where, e.g. x1

02 March 2014 4,217 2 View

How do I get the median of multiple columns in R?

Given the table "Tgiven", I need to compute the median "val_med" of the columns "val1" and "val2", i.e. need to get the table "Trequired" Below is a simple data structure that mimics the more...

02 March 2014 1,968 6 View

How do I read .dat files in R?

Just loaded, read and worked with ".txt" and ".csv" files in R (no problems), but having trouble loading ".dat" files.

02 March 2014 9,043 8 View

Can anyone help me find the median of groups with [various sizes] in R?

Suppose I have the variables: groups and values in Table 1. Can someone suggest to me how I can obtain the result of the median of the groups as indicated in the table named "Output": groups

02 March 2014 6,009 4 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Can I use a graph from a another source in a thesis?

I have a permission from X company to use their graph from a report, but they have a reference in the bottom left corner of the graph as follows: "Source: Database Y". Is it OK to use this graph...

24 February 2021 2,269 3 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

Could you please suggest to me research in which a relation between the shear wave velocity and the degree of saturation for stone was discussed?

Hi all, I am looking for a graph or a relation that relates the degree of saturation and the shear wave velocity for the marlstone. Looking forward to your suggestions Best Regards

24 February 2021 9,690 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View