9.9 Shuffle Rows
Using dplyr::sample_frac() with size=1 (the
default) will randomly shuffle the rows of the dataset.
## # A tibble: 275,410 × 24
## date location min_temp max_temp rainfall evaporation sunshine
## <date> <chr> <dbl> <dbl> <dbl> <dbl> <dbl>
## 1 2022-12-13 Woomera 12 24.5 0 NA NA
## 2 2014-01-03 Canberra 17.2 35.5 0 NA NA
## 3 2010-05-23 NorahHead 10.9 17 43.4 NA NA
## 4 2010-01-07 Mildura 15.8 34.6 0 12 13.5
## 5 2019-07-01 Brisbane 13.8 23.5 0 2 7.3
## 6 2014-11-15 Katherine 26.5 32 0 9 NA
## 7 2010-07-23 Darwin 22.2 32.7 0 8.2 10.9
## 8 2015-03-14 GoldCoast 21.1 28.7 0 NA NA
## 9 2021-07-02 Walpole 4.8 15.2 0.2 NA NA
## 10 2011-02-09 Tuggeranong 12.5 24.5 0 NA NA
## # ℹ 275,400 more rows
## # ℹ 17 more variables: wind_gust_dir <ord>, wind_gust_speed <dbl>,
## # wind_dir_9am <ord>, wind_dir_3pm <ord>, wind_speed_9am <dbl>,
## # wind_speed_3pm <dbl>, humidity_9am <int>, humidity_3pm <int>,
## # pressure_9am <dbl>, pressure_3pm <dbl>, cloud_9am <int>, cloud_3pm <int>,
## # temp_9am <dbl>, temp_3pm <dbl>, rain_today <fct>, risk_mm <dbl>,
## # rain_tomorrow <fct>If you find this curated material useful then you can consider a donation to support it's ongoing availability and give you access to the PDF version of this book. The material has been scoped up by Generative AI without permission or any kind of recompense so do consider a donation if you can afford it. Unlike Generative AI your access to this materials is freely given. Desktop Survival Guides include Data Science, GNU/Linux, and MLHub. Books available on Amazon include Data Mining with Rattle and Essentials of Data Science. Togaware has a 30 year tradition of making popular open source software which includes sold privacy preserving productivity apps, rattle, wajig, and mlhub. Hosted by Togaware, a pioneer of free and open source software since 1984. Copyright © 1995-2022 Graham.Williams@togaware.com Creative Commons Attribution-ShareAlike 4.0
