I am new to the use of the R programming language and I have tried with this to do a Kruskal Wallis and then a Dunn test (with Bonferroni correction) using data from 6 fish species, 15 months of sampling, different number of samples ( between 25...
Greetings, I have problems with the insertion of new records to a Database.
I use the library RODBC to connect to the database from R, all right there, but when I want to add a record that I have stored in a data frame like:
datos<...
I have a data frame with a tumor classification.
The program I use uses two different classification methods and in some samples it appears to me classified differently.
I would like to make two tables one with the tumors whose classificat...
I have the following problem:
When creating a graph, working from R-Markdown, and when changing the title and in this a special character is included as accents, ñ, etc. I have to change the enconding and place the following instructio...
I have a set of data that is more or less like this (note that this is a minimum example and that the limited data can affect the visual appearance of the obtained graph):
y x z g
1 0 0 1
2 1 0 1
2 0 0.5 1
3 1...
I want to create a new variable from two dataframes, as long as two conditions are met. The df 1 and the 2 have two common variables, but only the df 1 contains a variable that I would like to join the df 2. I tried to use the vectorized functio...
After updating the libraries in RStudio , I get the error that has to do with the library ggplot2 .
p <- ggplot(overviewplotdata, aes(x=Dataset,
y=Well,
fi...
I am working with the following data:
data <- data.frame(id=c(1811,1811,1522,7121),
pregunta=c("17", "17", "20", "21"),
valor=c("13","2","12","15"))
id pregunta valor
1811 17 13
1811...