R: Naming matrix rows/columns in a for-loop works in console, but not when...
I am attempting to use a for loop to rename the rows and columns of a matrix via the following code:Z = matrix(c(1:120), 15, 8)for (i in 1:15) { rownames(Z)[i] = paste0("[", format((-1)*(4-(i/10)),...
View ArticleHDF format variable extraction
I have a folder with hdf files and trying to extract variable (column amount of NO2) from a list of variables. After extracting the variable, stack all the files containing that particular variable and...
View Articlenon-NA cases=0 error in RM ANOVA (is my data not suitable for RM ANOVA?)
Hi I am new to statistics and analyzing my first data. I am having trouble with Repeated measures AnovaTo summarize my data, my study is a 3X2 Anova.Every subject visited 3 days and one of the three...
View ArticleHow do I collect Twitter lists_memberships from several users in R?
I would like to get the names of the lists a Twitter user is a member of. I can do this one by one:nytimes <- lists_memberships("nytimes", n = 1000, cursor = "-1", filter_to_owned_lists = FALSE,...
View ArticleR Shiny--Error in as.POSIXlt.default: do not know how to convert 'x' to class...
Here I want to write an app to calculate bond schedule and show it in a table. But the following problems always appear in error and I don't know how to solve them.Error Message:Warning: Error in...
View ArticleGetting the range of a data frame including zero
Here is a simple question. I have a data frame with values ranging from 0 to 3 and I want to get the number of elements of the dataset, which should be 4 in this case. Here is an example of the...
View ArticleValidation in jupyter notebook with "The source of the following cell has...
So I edited a locked cell, and then I validate the notebook I get this error:The source of the following cell has changed, but it should not have!Any input on how to fix this error?
View ArticleHow to use an abbreviated vector to match a vector with a full name
tableA$area = c("太原市尖草坪区","安庆市宜秀区","北京市大兴区")tableB$locate = c("尖草坪区", "宜秀区", "大兴区")I need to combine tableA and tableB by c("area" = "locate"). How can I realize it?
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Odd's Ratio Plot Produced by the plot_model() function in the sjPlot package...
Problem:I have produced an odds ratio plot (below) from the data frame called FID (below) using the plot_model() function in the sjPlot package, but the figure is too large for the plotting window.I...
View ArticleExtracting names from a VarCorr object in lme4 and pasting it as column names
Below I was wondering if there might be a way to extract the columns Name and Groups from vc1 and vc2 and respectively paste them as the column names for objects AA, BB.For example, for MODEL 1...
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How to add a strata variable in the crr function?
I am trying to test out a Fine and Gray regression and to validate if both the "crr" package and the "survival" package produce the same results. I will then be putting these results into Latex.The...
View ArticleHow to index coordinate data according to a grid in R?
I have coordinate data (x-coordinates and y-coordinates) on a scale between:Xpos: 27-1367nm, Ypos: 67-1014nm. A data set consists of about 2500-3500 data points.Here is the header of such a data set:...
View ArticleHow do I split a matrix with different column sizes?
n <- c(12,24)mu<-c(6.573,6.5)sigma<-sqrt(0.25)Diseased.Data<-round(rnorm(n[1], mu[1], sigma), 4)Healthy.Data<-round(rnorm(n[2], mu[2], sigma), 4)g <- c(2,3,4)for(i in 1:3){...
View ArticleHow to fit a multivariate normal distribution in R?
I need to fit a multivaraite normal distribution to each specie in the Iris dataset in R. I saw the mvtnormpackage might be useful; however, i want to use the maximum likelihood estimation and not sure...
View Articleis there any way to Build up Heroku For R code like Python
I have Made a mL model to complete an end to end project. I know how to run heroku for python. I can not find any way to do with R code for Heroku. can Any one help me with this. I want to deploy the R...
View ArticleHow can I compare the values of different columns for each row?
So say I have a dataframe with a column for "play" and two columns with values:df <- data.frame(Play = c("Comedy", "Midsummer", "Hamlet"), he = c(105, 20, 210), she = c(100, 23, 212)) I would like...
View ArticlePredict with a VECM with exogen variables
After having estimated a VECM model with stationary exogen variables, I would like to compute a prediction with the predict function and the newdata argument. I'm using the Dynts library that offers...
View ArticleHow to download package "markovchain" for R version less than 3.6
I have R version of 3.4.4 loaded on my laptop but I want to download package "markovchain" in my R.THE CODE I USED WASinstall.packages("markovchain", dependencies=TRUE,...
View Articlecategorizing a new variable based on two conditions overwriting
I am trying to recode a race/ethnicity variable derived from a Hispanic variable and a 6 other race variables.I've tried some of these methods. I can't quite figure out how to keep all my different...
View Articleemmeans error: In Ops.factor(r, 2) : ‘^’ not meaningful for factors
I am misunderstanding something about my data structure for an analysis with emmeans. I'd like to see the pairwise comparisons, like a TukeyHSD test.Here is my data frame:dat...
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