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Although RStudio told me, all packages were up to date, the problem continued to exist. The solution was a full update of R and all packages. The process on Windows:

• Run installr::update()from Rgui.exe (in \R\R-4.0.4\bin\x64).
• Update Windows environment variable R_LIBSthe the new \R\R-4.0.4\library.
• update Rprofile.site in \R\R-4.0.4\etc and make sure there is only one .libPaths(). (There has to be a line .libPaths("C:/R/R-4.0.4/library") or just add it.)
• Check if there are pending package updates in RStudio

UserService is not a Bean. Add the @Service annotation. It will also require implementation of the service.

This is not an error, it's just a warning that says that the output was truncated to prevent overloading of the browser, etc. You may look into driver's & executors log via Spark UI of your cluster - there should be more information...

I would also suggest to first try to execute that statement directly against Oracle, just to check if it works at all

rmd code adds the property

max-width: 800px;

To remove it you can use fragment.only option

The as conversion to spatialGridDataFrame expects an object of class class SpatialPixelsDataFrame:

Objects from the Class

Objects can be created by calls of the form as(x, "SpatialGridDataFrame"), where x is of class SpatialPixelsDataFrame-class, or by importing through rgdal. Ordered full grids are stored instead or unordered non-NA cells;

So, you can convert your pts to SpatialPixelsDataFrame, then convert the resulting SpatialPixelsDataFrame to SpatialGridDataFrame as you did.

I have figured out the solution. The last codes section in the above question should be as:

adapt your function for extraction as follows:

When you do df[2, 1] in R, you are actually calling a function. The function is '['(df, 1, 2). It's just the parser hides this from you, and this allows you to write code in a more natural way.

If you think about it, the [ operator does different things depending on the type of object you are using, even if the operations are conceptually similar. The actual code that returns a subset of a numeric vector is different from the code that returns the subset of a matrix, or of a list. In fact, there are some objects in R for which calling the [ function doesn't make sense and isn't implemented. For example, if you try to call it on a function name:

The problem is in your reactive elements. In the one that makes test.data you are making an object within the reactive called test.data and then modifying it, so you have to return the object at the end, which you did by calling test.data as the last element of the function. The same is not true in the reactives that create test.data.spdf, test.data.DM and model. In each of these functions, you're calling a function that produces output and you're having the function produce return the output directly. You're not saving it to an object that then needs to be returned. The last line of each of those reactives is a call to an object that doesn't exist. If you take out the lines in each of those reactives that returns the object (i.e., the last lines of each of the three mentioned just above), then the app should work.