Go to TogaWare.com Home Page. Data Science Desktop Survival Guide
by Graham Williams
Duck Duck Go

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cities <- c("Canberra", "Darwin", "Melbourne", "Sydney")

ds                                                                    %>%
  filter(location %in% cities)                                        %>%
  ggplot(aes(temp_3pm, colour = location, fill = location))            +
  geom_density(alpha = 0.55)

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Other online resources include the GNU/Linux Desktop Survival Guide.
Books available on Amazon include Data Mining with Rattle and Essentials of Data Science.
Popular open source software includes rattle and wajig.
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