search for: 1411.70

Displaying 2 results from an estimated 2 matches for "1411.70".

2006 Mar 21
3
transform shapefiles in UTM to lat/long
Dear all: I have a shapefile in UTM coordinate system and I would like to transform it to Lat/Log coordinates (WSG84). The package PBSmapping contains function convUL to transform between the two coordinate systems when data is in the form of a data frame with attributes specifying the coordinate system. However, when shapefiles are imported using function read.shape (package maptools), a list
2006 Mar 23
3
Still problems with "step()" function
Hi R users: I don?t know if anybody have had the same problem with 'step()' funtion. If I type the commands ------------------------------------------------------------------------------- testData<-read.table("testData.dat",header=T) model1J<-glm(MCHNV~offset(Offset1),data=testData,family="poisson") step(model1J,direction="forward",