Why is there a 'name' argument inside 'scale_x/y_continuous()' functions in...
I suppose the name argument in scale_x_continuous() and scale_y_continuous() functions in ggplot, only changes the axis labels, and so do the xlab() and ylab() functions. So, what's the need of this...
View ArticleUsing purrr or igraph (or any other method instead of nested loops) to...
I have a dataset that has this sort of a structure:df #> Instance Alice_prefers Bob_prefers Charlie_prefers #> 1 1 Bob Charlie Alice #> 2 2 Bob Alice Bob #> 3 3 Bob Charlie Bob My desired...
View Articlehow to change a column with both negative and positive value into two columns...
My data is the following:t B 1 2 2 -3 3 -7 How could i have the output like below? It means that when the data from column B is negative, the column N will equal this columnB's data,or it will equal to...
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How to add outer track for circlize plot
I have the following data frame, which I like to plot using circlize:library(circlize) library(tidyverse) circos_tc_dat <- structure(list(ligand = c("Cxcr4 ", "Cd44 ", "Cxcr4 ", "Cxcr4 ", "Csf2rb ",...
View ArticleWhat does Invoke a System Command means in R?
I have following code to execute but I found that system(eval is working behind the scene. I want to know what does it do ? I have found one resource but it does not explain in...
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Center legend in ggplot2 relative to image
I would like to leave my subtitle centered without having to manually change the position by legend.position in theme(). If I select "bottom", the caption will be centered relative to the graphic frame...
View Articlecurl -d parameter usage in rcurl
-d ' {"abc":[],"def":[]} ' how to write this curl command data parameter using rcurlpostfrom function. I tried using this .opts = list(postfields = toJSON(list(abc= c(), def= c())) and .opts =...
View ArticleWhat should be the image dimension for publication?
I need to export images from R for publication in a journal. I found the tiff() function for this useful. I need atleast 300 dpi images. What should be the height, width and unit be set as?I usually...
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Im trying to create a three way interaction plot but my x axis labels are...
Im trying to create a three way interaction plot but my x axis labels not according to my independent variable of P treatment which is "0,3,6,12,36".I have tried to put in the code, levels =...
View ArticleHow to debug FactoInvestigate error: cannot open the connection
Anyone faced this error: Error in readChar(con, 5L, useBytes = TRUE) : cannot open the connection I was trying to investigate the MCA results using: Investigate(MCA_res, file = "MCA.Rmd", document =...
View ArticleReferencing variable created within itself in case_when statement
I am creating a variable that should grow the previous observation of the variable at a specified growth rate. I am doing this with a case_when statement in R. This is my code so...
View ArticleIncorrect translation of group-filter-select with dtplyr
A group-filter-select is easy to perform with dplyr. In the example below, we have some data on companies for different quarters this year. I now want to filter to the first quarter of companies which...
View ArticlechromoPlot error - reads more data than in file
I am trying to use the chromoPlot package in R to visualize chromosome segments.According to the guide I should make a chromosome file that defines the chromosomes of interest and a data file with...
View ArticleHow to create a column in r dataframe conditional on other columns
I am trying a create a new column conditional on the present columns. Condition is a matching condition for which I am using grep function.The data goes like this Keyword CPC Impr Clicks singapore and...
View ArticleSelect after a join with conflicting columns with dtplyr
If I run the following trivial example, I get the expected output:library(dplyr) library(dtplyr) library(data.table) dt1 <- lazy_dt(data.table(a = 1:5, b = 6:10)) dt2 <- lazy_dt(data.table(a =...
View ArticleLinking Intel's Math Kernel Library (MKL) to R on Windows
Using an alternative BLAS for R has several advantages, see e.g. https://cran.r-project.org/web/packages/gcbd/vignettes/gcbd.pdf.Microsoft R Open...
View ArticleOpposite hypothesis direction in Regression Analysis [closed]
This is a more theoretical question. I approached a term paper with the hypothesis that a decrease in a country's national GDP will lead to a decrease in the opposition's consensual parliamentary...
View ArticleHow do I find out about the standards for writing regression packages in R?
As part of my job, I need to fit a bunch of 'generalised logistic' (GL)* regression models (with some special restrictions that are not pertinent to this question). There is no package that currently...
View ArticleAn error when fitting a GJH GARCH model in R
Recently, I intend to forecast the conditional variance of daily stock returns through a GRJ GARCH model. However, I face an unexpected error as:Error in xts(object@fit$fitted.values, D) : 'order.by'...
View ArticleDetermining number of distributions in observed HMM parameter
I am wanting to apply a Hidden Markov Model (HMM) to a data set of fishing vessel speeds. I'm struggling a bit to get started because as I understand it i need to know how many distributions (inferred...
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