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The package incidence provides the function fit_optim_split that returns a predicted doubling time in days. Would this be serial interval described in the epidemiology manuals? Thank you

Hello, is it possible to show only the header (that is: `'data.frame': x obs. of y variables:` part) of the str function? Thank you -- Best regards, Luigi

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Hello, I have generated a contourplot with lattice. How do I set the line width? I tried with: ``` library(lattice) contourplot(Z ~ X*Y, data = df, cuts = 3, panel=function(x,y,...){ panel.contourplot(lty=1, lwd = 3) }) ``` but did...

Hello, I have these vectors: ``` X <- 1:7 Y <- c(1438443863, 3910100650, 10628760108, 28891979048, 78536576706, 213484643920, 580311678200) plot(Y~X) ``` The y-axis starts at 0e0, but the first value is 1.4 billion. Why the axis does not start...

That giving the best trade between sensitivity and specificity. On Sat, May 25, 2019 at 12:47 AM Abby Spurdle <spurdle.a at gmail.com> wrote: > > > Would be possible to automate the selection of the best <k> value? > > Can you...

Hello, I have set a model with deSolve's ode. I have set the time as `period = seq(1, 10, 1)` but the times I get from the ode are like 1, 1.000173... Is it possible to run ode...

Hello, I have plotted data from exploratory factor analysis, and I got a graph similar to FIGURE 11 (PAGE 36) of this link file:///home/gigiux/Downloads/An_overview_of_the_psych_package.pdf How do I interpret the figure...

Dear all, I am adding some text to the panels of a graph generated through the lattice function using the argument: xyplot( ..., panel = function(x, y,...) { panel.xyplot(x,y,...) panel.text(0,0,labels=V[panel.number()]) } How can...

Dear all, is it possible to provide custom color to the rarefaction curve of the package iNEXT (ggiNEXT)? If I have these data: ``` library(iNEXT) library(ggplot2) data(spider) out <- iNEXT(spider, q=0, datatype="abundance") ggiNEXT(out, type=1...

Hello, I am using the package vegan to generate rarefaction curves with the function rarecurve. Is it possible to add error bars to the plot? I tried to add se = FALSE but it did not work. Also, would it be...

Hello, I am using the ksvm function from the library kernlab to generate an SVM classification. I am running the model with k-mean cross-validation, thus obtaining different accuracy. Is it possible to merge the different models obtained with...

Hello I have installed R version 3.3.3 (2017-03-06) and downloaded rstudio-1.3.959-amd64.deb. I installed it with the right click but when I launch it, the icon have the wait ring and it...

Hello, this is a very simple question but... what is the vector alternative to `subset(dataframe, select = - column)`? I tried with: ``` > x = new[-ID] Error in `[.data.frame`(new, -ID) : object 'ID' not found > x = new[-"ID"] Error in -"ID...

Dear all, I have a string, let's say "testing", and I would like to extract in sequence each letter (character) from it. But when I use substr() I only properly get the first character, the rest is empty (""). What...

Thank you! On Wed, Jun 10, 2020 at 10:29 AM Daniel Nordlund <djnordlund at gmail.com> wrote: > > On 6/10/2020 1:20 AM, Luigi Marongiu wrote: > > isoDates = as.Date(oriDates, format = "%m/%d/%y") > > You need to use...

Dear all, I am working on Linux Ubuntu 16.04 and I have installed R 3.2. I need to upgrade to R 3.3 and I tried several options available online with no success. I downloaded the tar.gz...

Sure! I am attaching a simplified version of it. I did not see the quote text; it might be difficult to call all table's names since there are hundreds of columns.. On Wed, Nov 10, 2021 at 4:15...

Thank you for the clarification. On Fri, Sep 11, 2020 at 2:36 PM Karl Schilling <karl.schilling at uni-bonn.de> wrote: > > Dear Luigi: > > no, ?1?2 is not "missing" > > First, it should actually be "?1 - ?2". > > And as...