Hi, I would like to know if there is an alternative package to the splm package for carrying out spatial panel analysis. I am still having problems with the splm package, as I posted a few days ago. Thank you in advance. Jose
>> >> # Rstudio version and PC info >> >> platform x86_64-w64-mingw32 >> arch x86_64 >> os mingw32 >> system x86_64, mingw32 >> status >> major 4 >> minor 1.2 >> year 2021 >> month 11 >> day 01 >> svn rev 81115 >> language R >> version.string R version 4.1.2 (2021-11-01) >> >> >> >> ####### code ##### >> >> # Load necessary libraries >> library(tigris) >> library(splm) >> library(spdep) >> library(Matrix) >> library(plm) >> >> >> # Load necessary libraries >> library(tigris) >> library(splm) >> library(spdep) >> library(Matrix) >> library(plm) >> > library(spatialreg) > >> # census tracts >> dc_tracts_2018 <- tracts(state="DC",cb=TRUE, year=2018) >> dc_tracts_2018$row.id <- 1:179 >> >> # Spatial matrix >> coords <- coordinates(dc_tracts_2018) >> DC.knn_7 <- knearneigh(coords, k=7) >> DC7_nb <- knn2nb(DC.knn_7) >> DCknn_7 <- nb2listw(DC7_nb, style="W") >> >> # reproducible example >> set.seed(123) >> df2010 <- data.frame( >> y = rnorm(179), >> x = rnorm(179, mean=2), >> x2 = rnorm(179, mean = 3), >> year=2010, >> row.id = 1:179 >> ) >> >> df2015 <- data.frame( >> y = rnorm(179), >> x = rnorm(179, mean=2.5), >> x2 = rnorm(179, mean = 3), >> year=2015, >> row.id = 1:179 >> ) >> >> df2020 <- data.frame( >> y = rnorm(179), >> x = rnorm(179, mean=1.5), >> x2 = rnorm(179, mean = 3.5), >> year=2020, >> row.id = 1:179 >> ) >> >> >> # drop geom >> st_geometry(dc_tracts_2018) <- NULL >> >> #list of data frame >> df <- list(df2010,df2015,df2020) >> >> for (i in seq_along(df)) { >> df[[i]] <- merge(df[[i]], dc_tracts_2018, by = "row.id") >> >> } >> >> df2010 <- df[1] >> df2015 <- df[2] >> df2020 <- df[3] >> >> # merging >> panel_dc_2010_2020 <- rbind(df2010[[1]], df2015[[1]], df2020[[1]]) >> >> #### setting lag variables >> panel_dc_2010_2020.pd<-pdata.frame(panel_dc_2010_2020, >> index=c("GEOID","year")) >> >> # lag variables >> panel_dc_2010_2020.pd$lag_x <- slag(panel_dc_2010_2020.pd$x,listw=DCknn_7) >> panel_dc_2010_2020.pd$lag_x2 <- >> slag(panel_dc_2010_2020.pd$x2,listw=DCknn_7) >> >> ## impacts >> time1 <- length(unique(panel_dc_2010_2020$year)) >> s.lwtracts <- kronecker(Diagonal(time1), listw2dgCMatrix(DCknn_7)) >> trMatc <- trW(s.lwtracts, type = "mult") >> >> Error in trW(s.lwtracts, type = "mult") : could not find function "trW" >> >> # durbing >> model_fix_durbin <- spgm(y ~ x + x2 +lag_x + lag_x2, >> data=panel_dc_2010_2020.pd, listw = DCknn_7, model = "within",lag = >> TRUE,spatial.error = FALSE,moments="fullweights",method="ec2sls") >> >> # estimating impacts >> impacts(model_fix_durbin,tr=trMatc, R=200) >> >> Error in impacts(model_fix_durbin, tr = a, R = 200) : >> could not find function "impacts" >> >> [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo