Questions tagged [rstudio]
An environment (IDE) for R. Do not use this tag for R questions unrelated to the Studio environment.
22
questions
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Making single depth raster layer (0-30cm) using three layers (0-5cm, 5-15cm and 15-30cm) for sand, silt, clay & OC using R
I have tried to do that on Rstudio using the "Trapezoidal rule".
library(raster)
library(rgdal)
library(sp)
a <-raster("D:Soildata/SOC_0-5mos.tif")
b <-raster("D:...
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2
answers
49
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SpatialPolygonDataFrame to raster while keeping categorical values
I have a SpatialPolygonDataFrame which I need to convert to raster in R while keeping the categorical values of the polygon. I have tried various approaches but I have always either lost the values or ...
- 3
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66
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Error while using readOGR to import shapefiles
I am using a Mac System and unable to read shape file.
states12 <- readOGR(dsn = ".", layer= "cb_2018_us_state_500k", verbose=TRUE)
The Error I am getting
RStudio is Quitting ...
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86
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Incorrect number of dimensions in creating multiple plots using a for loop with ggplot2
I'm trying to map out all these different "solutions" from the prioritize model using ggplot. (To preface I'm very new to R so perhaps my code/methods are extremely rudimentary and why I'm ...
- 1
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1
answer
19
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R Markdown Knitting Produces Garbage
I don't even know where to begin on describing my problem. I made some maps in R Studio and when I knit the document, it gives me 30 pages of junk.
I have selected the options to display the output ...
- 27
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1
answer
167
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How to display all the column values of overlapping polygons in leaflet popup with R?
I have intersected points data with a grid in which I would like to display the name of all the species found in every cell.
Code sample:
library(dplyr)
library(rgdal)
library(leaflet)
library(sf)
...
- 1,607
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76
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Cropping and masking rasterstack to a list of shapefiles
I have a raster stack (nlayers = 366, ncells~10 million). I am hoping to crop and mask this raster stack to a data.frame of coordinates for which I have made a series of concentric circle shapefiles ...
- 33
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44
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Creating a loop to create NDVI images from raster stacks and naming them from the file name [closed]
I have been trying to write a loop to go through two folders of Sentinel 2 satellite images (Band 4 and 5) and get a NDVI for each date.
A stack is created for each band, some cropping and resampling ...
0
votes
1
answer
84
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QGIS filter to get a mesh or fishnet with spaces without information
Can I create a filter with a Python code or R code, to eliminate the spaces that don't belong to the orange shape file? I was thinking in to each shapefile meshed, assign an area from orange shapefile....
2
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2
answers
269
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Randomly sampling polygons from polygon grid using the spatialEco package in R
I have a polygon grid (epsg:24381) from which I want to randomly select some polygons. Whenever I try to perform the sampling I'm getting the following error:
Error in h(simpleError(msg, call)): ...
- 367
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1
answer
259
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How to cluster 1000+ points into 50 clusters based on geospatial proximity in R?
Sample data:
set.seed(123)
lon <- runif(1200, 72.6, 73.2)
lat <- runif(1200, 18.8, 19.6)
df <- data.frame(lon, lat)
Progress so far:
geo.dist = function(df) {
require(geosphere)
d <- ...
- 113
1
vote
1
answer
229
views
Problem of marker click with Leaflet
I am new using Leaflet with R studio and I have a problem ou both Leaflet markers and map_marker click .
The first problem is that , when I put addCircleMarkers in the observer in doesn't work while ...
- 21
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1
answer
6k
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R: Using st_intersects to classify points inside, outside and within a buffer
I have two objects, a shapefile of location points, points, and a shapefile of polygons, world_buffer (both +proj=utm +datum=WGS84). The world_buffer is the world's coastlines, found here, with a 5 km ...
- 215
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1
answer
333
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Classifying points within polygon, outside of polygon OR within buffer at polygon edge using R
I have two objects, a SpatialPointsDataFrame, "points" and a SpatialPolygonsDataFrame, "world_buffer" (both +proj=utm +datum=WGS84). The SpatialPolygonsDataFrame is the world's ...
- 215
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1
answer
98
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Does not display Map in Rstudio using Python Package - GEEMAP
I am trying to use the GEEMAP package of Python in RStudio-1.4.1106.
After importing the packages and running the code shown below MAP is not displayed rather it displays the MAP attributes in the ...
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votes
1
answer
189
views
Doing exp math in R/Google Earth Engine (rgee)
Is this the correct syntax in R-Studio for rgee (Google Earth Engine) for the following equation?
y=0.7*e^(4.1*x) where x is represented by "data" below.
y<-data$multiply(4.1)$exp()$...
- 29
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1
answer
411
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Select all images in image collection Google Earth Engine in R Rgee to mosaic
Is there a way to select all images in an image collection in Google Earth Engine or using Rgee?
I want to select all the images in an image collection after filtering the collection and then mosaic ...
- 29
1
vote
1
answer
353
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Add marker to coordinates Leaflet
i work with RStudio and Leaflet. I like to add inputboxes to type coordinates into them. Then the code should set a marker on this point and zoom on it.
How can i do this?
I tried to manipulate the ...
- 11
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190
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How to apply Sen2cor in sen2r graphical user interface?
I have recently installed the sen2r plugin in r for extracting level 1 Sentinel-2 images from ESA's Long Term Archive and using sen2cor correction to obtain level 2 scenes.
An issue I face is that the ...
- 548
1
vote
1
answer
355
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How to remove areas of water from the US census tract map using R/RStudio
I am trying to aggregate all of the census tracts in the United States for analysis and display, including a realistic depiction of water features when zoomed in. I run into memory issues when doing ...
- 51
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28
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Can't join coordinates to polygons represented by black icons in RStudio viewer
I'm using {sf} to import a GeoJSON file. What does the black icon represent? I'm trying to join coordinates to this object via st_join(ken_con_sf, join = st_within) and it seems to fail where ...
- 257
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2
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6k
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Exporting shapefile from RStudio
Please can someone show me how to export a file from R in the format of a shapefile in order to be used in GeosegregationAnalyzer (which requires a shapefile).
I have merged attribute data with the ...
