[R] help to use ppp in spatial analysis

Hi, i am using spatstat package for spatial data analysis and now i have a problem to create a point pattern. The points are in file points.txt (first column for Latitude and second column for Longitude ) and I imported them and separated each columns in two arrays x and y. If I plots x and

[R] using table function

Hi, How to join two large vectors ordered, where one has the variable's levels and another has the frequencies, in way similar to that showing by table function in R console? and considering this two vectors how to use summary function to produce statistical informations like mean, sd, min,

[R] joint probability

Hi, I need some instructoins about: Given two larger vectors(A and B) with discrite time values, and considering that each vector was ordered previously. how to compute the joint probability for each pair of values, considering the restriction that each element in A(Ai) is combined only with

[R] gplot function - error

Hi all, i installed the ggplot2 package via install.packages(), but the gplot function was not recognized in R console command. Is there any paths to configure? The error message reports that the function was not found. Thanks Ricardo

[R] probability from different values

Hi all, i'm new R user and i need some help: i have two vectors (A and B) and i need create another vector (C) from the subtraction of A's values with the B's values. How can i estimate the probability of C's values if i have differents values combinations of A and B that can result in the