Questions tagged [rstudio]
an integrated development environment (IDE) for R
26
questions
0
votes
1
answer
12
views
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
0
votes
0
answers
20
views
Cannot open TIFF due to missing codec in RStudio w/ raster library
Title explains my predicament. I cannot open a tiff file using RStudio's raster library and receive an error that tells me it is due to a missing codec:
Code:
library(rgdal)
library(raster)
file_name &...
- 11
1
vote
0
answers
19
views
Climate prediction using Climate Change Agriculture and Food Security (CCAFS)- Climate Analogues
I would like to know which climate model I can use to predict future climate of a particular area and at the same time shows places with similar conditions at the present. CAFFS-Climate Analogue tool ...
- 31
0
votes
1
answer
96
views
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)
...
- 1,237
3
votes
1
answer
51
views
How can I extract cell numbers/dimensions from cell size and extent?
I need to rasterize a SpatialPolygonsDataFrame object. I have a cell size of 100m for my analysis and the raster extent is extracted from the Polygon. But, the problem is that I cannot set a ncol and ...
- 97
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votes
0
answers
65
views
Problem using lidR functions on Mac
I have been going through LiDAR processing tutorials for R Studio and was successfully able to get through this one by NEON about 4-5 months ago: https://www.neonscience.org/resources/learning-hub/...
- 1
0
votes
0
answers
41
views
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 ...
- 23
1
vote
0
answers
21
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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 ...
3
votes
1
answer
658
views
Splitting MultiPolygon shapefile into separate Polygons in R
I have a polygon shapefile with 2 features. I want to split the MultiPolygon shp into separate shapefiles based on a column of the attribute table. What I've tried so far is this code based on that ...
- 150
0
votes
1
answer
65
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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
votes
2
answers
161
views
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)): ...
- 150
0
votes
0
answers
103
views
Error in bandwidth calculation for Geographically Weighted Regression
I am using the GWmodel package in R to perform Geographically Weighted Regression. I have approximately 100 locations, for which I have calculated the distance matrix named DM using the function distm(...
- 1
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votes
0
answers
29
views
GWSDAT with R Studio does not read Sample Date from imported Excel sheet properly
When I import an excel sheet, GWSDAT will not recognize the data within the SampleDate column. All cells in that column appear empty within the GWSDAT R Studio window:
For context, I have a Python ...
1
vote
1
answer
156
views
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
158
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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votes
0
answers
51
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TIMESAT Error: Wrong number of sensordata imagefiles
I am a first-time user of TIMESAT, and am attempting to follow along with this tutorial.
http://rstudio-pubs-static.s3.amazonaws.com/452032_a5df2d3f782444fc830d43548a304ec5.html#PartA
However, I am ...
- 117
3
votes
1
answer
3k
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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 ...
- 205
0
votes
1
answer
222
views
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 ...
- 205
0
votes
1
answer
69
views
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 ...
0
votes
1
answer
142
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
0
votes
1
answer
333
views
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
153
views
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
2
votes
0
answers
152
views
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
267
views
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
0
votes
0
answers
27
views
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
1
vote
2
answers
4k
views
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 ...
