stamen | A React state management library based on Hooks | Frontend Utils library

The problem is with this line:

cordinates="[" + df["LAT"].astype(str) + "," + df["LON"].astype(str) +"]"

You are generating a string literal and passing that in.

Try replacing that line with:

cordinates = [(lat, lon) for lat, lon in zip(df["LAT"],df["LON"])]

This will generate a list of (lat, lon) tuples, which should work. I also don't think you need to cast them to str

No, this doesn't seem to be possible, as it is a feature of the map type you chose (stamen-watercolor).

If you don't want the roads displayed, you will need to choose another map type, for example:

mp <- openmap(c(33,-95), c(43,-73), zoom=8, type = 'bing')

Here are some examples of different map types that may be helpful for you.

I obtained the bbox information from the mp object as follows:

You can create a colorbar with this code :

I got the code generally working, though you may still have to solve a couple of formatting issues as well as keep in mind for later the deprecation warning associated with outline_patch.

I ran the this code with just the first five rows of your dataframe. Notice that I commented out the line relating to COUNTIES data because I did not have access.

Since the c argument of ax.scatter() requires values between 0 and 1, I scaled the values for each month by the max of that month. This means month-to-month variation between maps may not be obvious unless you choose some other way of scaling values, perhaps on the whole array of month values instead.

i solved this problem via type casting as follows:

You need to do two changes.

Change the server logic to :

The column names are called Longitude* and Latitude* and in ui you have to use leafletOutput instead of plotOutput.