November 2018
Beginner to intermediate
354 pages
6h 59m
English
Content preview from Hands-On Geospatial Analysis with R and QGIS
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Importing point data from Excel
We have many arbitrary measures collected for different districts of Bangladesh along with their point coordinates; these measures contain both numeric and categorical values.
Now, we will import this data into R using read.csv() as follows:
bd_val = read.csv("F:/Hands-on-Geospatial-Analysis-Using-R-and-QGIS/Chapter02/Data/r_val.csv", stringsAsFactors = FALSE)
We check the structure of this dataset bd_val using str():
str(bd_val)
We get the following output:
We see that the type of bd_val is dataframe. Now, we convert this into SpatialPointsDataFrame by using coordinates() and by specifying which columns contain ...
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