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Hi R user, Can we calculate sample size when only mean and SE are given? Let say one example, I have mean with SE is 0.54+-0.0517 (mean+-SE). Is there any way to find the samples (sample...

Hi All, I have many classes and was trying to estimate the value using a bootstrapping approach for each group with the following code. However, it did not work when I added a group in the code. Do you have...

Hi R User, I was trying to split a column by tabs, I tried to split with several ways, but I could not split it. Is there any possibilities? The data example and the code I used daT1<-c("Column...

HI R user, I was looking a r code and saw "%*%t", what does it("%*%t") mean?. The example is given below. For example: here is the code where "%*%t" has been used. when I run the formula but did...

Hi R Users, Is it possible to visualize river flow in 3D (latitude, longitude with respect to depth)? The example of my data looks like. Any suggestions? > dat1 long lat depth flow 1 1015.9 857 1.00 1.50...

Hi R users, I need to run a analysis using a data for each folder. I do have several folders. Each folder contains several files but these files name are similar to the files that is saved into another folders...

Hi R user, I have created using metaNMDS (Nonmetirc Multidimensional Scaling, MDS) to show species composition but some of the species are concentrated at some of the sites so that the name of the species are overlaid and it was...

Hi R user, Would you mind to help me on how I can change a value in a specific column and row in a big table? but the column of the table is a factor (not numeric). Here is an...

Hi Giorgio, Thank you very much for the code and the link. I read it and also used but this code changed the line into "dashed" for all variables. As I mentioned earlier, I wanted to change for only one...

Dear R-Users, I have a dataset containing more than two observation dates in some of the columns and sites but I wanted to extract only the last date of the observation. Is there any easiest way to get that...

Hi R users, I was trying to add slope, R2 and p value in the scatter plot, but I was able to add only r2 and p value but not slope in the example data using the following code. Would...

Hi R user, I was trying to make a figure for each of four sites. Each site has 7 classes, among the 7 classes, one is average. I am wondering how I can change the color and size of the...

Hi R User, I was trying to calculate ratios with confidence interval using Monte Carlo simulation but I could not figure it out. Here is the example of my data (see below), I want to calculate ratios (dat$v1/dat...

Hi R user, I have samples with covariates for different classes, I wanted to choose the samples of different groups with different probabilities. For example, I have a 22 samples size with 3 classes, groupA has 8 samples groupB has...

Hi R users, I was trying to plot a graph with a secondary axis, and used the following code for the data but the secondary line and secondary y -axis value did not match. I would like to show both...

Hi R user, I was trying to convert a long matrix to wide? I have an example and would like to get a table (FinalData1): FinalData1 B1 B2 id_X "A" "B" id_Y "A" "B" but I got the...

Hi R users, I first categorized the continuous data into groups (ranges or category) but now I would like to change the category into a continuous data and plot it. For example I have attached the data in which you...

Hi R users, I was trying to estimate some values in r but could not figure out how to write the script in r. Although I was able to estimate it correctly in the excel. For example I have the...

Hi R User, I am new in R and trying to create tables with selecting rows randomly (but with replacement) for each group but each group should have same number as original. Is it possible to create it using the...

Hi R Users, I have been struggling to extract the data based on conditional values in different columns. I have a very big dataset (rows) and a couple of columns. here an example of the dataset is: daT<-structure(list...