Helsinki

+ Näytä koodi- Piilota koodi # (C) Leo Lahti 2011 <leo.lahti@iki.fi>. All rights reserved. # License: FreeBSD (keep this notice). # http://en.wikipedia.org/wiki/BSD_licenses # Example on utilizing Geographical information from Helsinki Region # Environmental Services Authority (Helsingin seudun ymparistopalvelu # HSY). The HSY data copyright: (C) HSY 2011. # Implemented with sorvi_0.1.27 # Load soRvi open data toolkit (http://sorvi.r-forge.r-project.org) library(sorvi) # Download and preprocess Helsinki Region Environmental Services # Authority data (C) Helsingin seudun ymparistopalvelu HSY 2011. For # licensing and data description, see # http://www.hsy.fi/seututieto/kaupunki/paikkatiedot/Sivut/Avoindata.aspx # http://www.hsy.fi/seututieto/Documents/Paikkatiedot/Tietokuvaukset_kaikki.pdf ############################################### # Investigate population distribution in Helsinki sp <- get.hsy("Vaestoruudukko") ## Investigate contents of the map data # print(head(as.data.frame(sp))) # Sortable HTML-table (xtable) for easier reading library('xtable') print(xtable(head(as.data.frame(sp))), type="html", html.table.attributes="border=1 class='sortable'") # Visualize population on Helsinki Map at <- c(seq(0, 2000, 250), Inf) # color palette breakpoints q <- visualize.shape(sp, "ASUKKAITA", type = "oneway", at = at, ncol = length(at), main = "Helsingin asukasjakauma") # See contents of this function to modify details print(q) ##################################################### # Visualize the building year of the oldest building in # different regions in Helsinki # Download and preprocess HSY SeutuRAMAVA data # (C) HSY 2011; for data description see: # http://www.hsy.fi/seututieto/Documents/Paikkatiedot/Tietokuvaukset_kaikki.pdf sp <- get.hsy("SeutuRAMAVA") sp$VANHINRAKE <- as.integer(sp$VANHINRAKE) sp$VANHINRAKE[sp$VANHINRAKE == 999999999] <- NA at <- seq(1800, 2020, 10) palette <- colorRampPalette(c("blue", "gray", "red"), space = "rgb") q <- visualize.shape(sp, "VANHINRAKE", type = "twoway", at = at, ncol = length(at), palette = palette, main = "Vanhimman rakennuksen rakennusvuosi") print(q) ############################################### # Visualize the distribution of the building years for the oldest building # across Helsinki regions par(mar=c(4, 4, 4, 2), las = 1) df <- dfsort(as.data.frame(sp), VANHINRAKE) df <- df[apply(df, 1, function (x) {!any(is.na(x))}), c("NIMI", "VANHINRAKE")] v <- df$VANHINRAKE names(v) <- as.character(df$NIMI) v <- rev(v) plot(v, 1:length(v), type = "n", xlim = c(min(v) - 10, max(v) + 10), ylab = "Kaupunginosat", xlab = "Rakennusvuosi", main = "Vanhimman rakennuksen rakennusvuosi", yaxt = "n") text(v, 1:length(v), labels = names(v), cex = 0.5) print(q) ############################################### # Area which has been built or is currently being built #library(RColorBrewer) df <- as.data.frame(sp) df <- df[, c("RAKERA_AS", "RAKERA_MUU", "KARA_AS", "KARA_MUU")] keep <- apply(df, 1, function (x) {!all(x == 0)}) & !is.na(as.data.frame(sp)$NIMI) df <- df[keep,] rownames(df) <- as.character(as.data.frame(sp)[keep, "NIMI"]) df <- rename(df, c(RAKERA_AS = "Rakenteilla (asuminen)", RAKERA_MUU = "Rakenteilla (muu)", KARA_AS = "Rakennettu (asuminen)", KARA_MUU = "Rakennettu (muu)")) #df <- df/as.data.frame(sp)$YKSLKM df <- df[rev(order(rowSums(df), decreasing = TRUE)[1:50]),] df <- df[, c(4,3,2,1)] # display.brewer.all() FD.palette <- rev(c("orange", "darkgray", "blue", "black")) options(scipen=2) par(mar=c(6, 8, 3, 2), las = 1) barplot(t(df), beside=F,col=FD.palette, border=FD.palette, space=1, legend=F, ylab = "", xlab="Neliometria", main="Rakenteilla oleva kerrosala", mgp=c(4.5,1,0), horiz = TRUE, cex.names = 0.7, xlim = c(0, 1.02*max(rowSums(df)))) legend("bottomright", legend=rev(rownames(t(df))), fill=rev(FD.palette)) box() print(q) ############################################### # Area which is currently being built # Rakenteilla oleva kerrosala df <- as.data.frame(sp) keep <- !df$RAKERA_AS == 0 & !df$RAKERA_MUU == 0 df <- df[keep, c("RAKERA_AS", "RAKERA_MUU")] rownames(df) <- as.data.frame(sp)[keep, "NIMI"] df <- df[rev(order(rowSums(df), decreasing = TRUE)[1:50]),] df <- rename(df, c(RAKERA_AS = "Asuminen", RAKERA_MUU = "Muu")) df <- df[, c("Muu", "Asuminen")] # display.brewer.all() FD.palette <- c("darkgray", "orange") options(scipen=2) par(mar=c(4, 8, 3, 2), las = 1) barplot(t(df), beside=F,col=FD.palette, border=FD.palette, space=1, legend=F, ylab = "", xlab="Neliometria", main="Rakenteilla oleva kerrosala", mgp=c(4.5,1,0), horiz = TRUE, cex.names = 0.7, xlim = c(0, 1.02*max(rowSums(df)))) legend("bottomright", legend=rev(rownames(t(df))), fill=rev(FD.palette)) box() print(q)

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