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v 0.2.0 and updated README
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‎CRAN-RELEASE

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This package was submitted to CRAN on 2019-09-15.
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Once it is accepted, delete this file and tag the release (commit 0ebf4c173b).
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This package was submitted to CRAN on 2019-10-06.
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Once it is accepted, delete this file and tag the release (commit f9adddbee4).

‎README.Rmd

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| -- | -- | -- | -- |
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| [`{disk.frame}` is epic](https://www.brodrigues.co/blog/2019-09-03-disk_frame/) | Bruno Rodriguez | 20190903 | It's about loading a 30G file into `{disk.frame}` |
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| [My top 10 R packages for data analytics](https://www.actuaries.digital/2019/09/26/my-top-10-r-packages-for-data-analytics/) | Jacky Poon | 20190903 | `{disk.frame}` was number 3 |
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| [Emma goes to useR! 2019](https://emmavestesson.netlify.com/2019/07/user2019/) | Emma Vestesson | 20190716 | The first mention of `{disk.frame}` in a blog post |
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| [useR! 2019 presentation video](https://www.youtube.com/watch?v=3XMTyi_H4q4) | Dai ZJ | 20190803 | |
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| [useR! 2019 presentation slides](https://www.beautiful.ai/player/-LphQ0YaJwRektb8nZoY) | Dai ZJ | 20190803 | |
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| [Split-apply-combine for Maximum Likelihood Estimation of a linear model](https://www.brodrigues.co/blog/2019-10-05-parallel_maxlik/) | 20191006 | `{disk.frame}` used in helping to create a maximum likelihood estimation program for linear models |
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| [Emma goes to useR! 2019](https://emmavestesson.netlify.com/2019/07/user2019/) | Emma Vestesson | 20190716 | The first mention of `{disk.frame}` in a blog post |
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## Open Collective

‎README.md

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``` r
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# where is the disk.frame stored
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attr(flights.df, "path")
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#> [1] "C:\\Users\\RTX2080\\AppData\\Local\\Temp\\RtmpstAhab\\file2ffc6304721e.df"
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#> [1] "C:\\Users\\RTX2080\\AppData\\Local\\Temp\\RtmpMR7WaV\\file179c3d8e79ee.df"
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```
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A number of data.frame functions are implemented for disk.frame
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flights.df %>%
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filter(month == 1)
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cat("filtering a < 0.1 took: ", data.table::timetaken(pt), "\n")
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#> filtering a < 0.1 took: 0.000s elapsed (0.000s cpu)
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#> filtering a < 0.1 took: 0.020s elapsed (0.020s cpu)
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nrow(df_filtered)
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#> [1] 336776
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```
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summarise(sum_delay = sum(sum_delay), n = sum(n)) %>%
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mutate(avg_delay = sum_delay/n)
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cat("group by took: ", data.table::timetaken(pt), "\n")
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#> group by took: 0.940s elapsed (0.180s cpu)
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#> group by took: 0.610s elapsed (0.140s cpu)
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collect(res1)
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#> # A tibble: 2 x 4
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collect
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#> Appending disk.frames:
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cat("group by took: ", data.table::timetaken(pt), "\n")
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#> group by took: 1.480s elapsed (0.280s cpu)
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#> group by took: 1.520s elapsed (0.390s cpu)
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collect(res1)
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#> # A tibble: 2 x 2
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## Blogs and other resources
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| Title | Author | Date | Description |
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| ---------------------------------------------------------------------------------------------------------------------------- | --------------- | -------- | -------------------------------------------------- |
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| [`{disk.frame}` is epic](https://www.brodrigues.co/blog/2019-09-03-disk_frame/) | Bruno Rodriguez | 20190903 | It’s about loading a 30G file into `{disk.frame}` |
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| [My top 10 R packages for data analytics](https://www.actuaries.digital/2019/09/26/my-top-10-r-packages-for-data-analytics/) | Jacky Poon | 20190903 | `{disk.frame}` was number 3 |
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| [Emma goes to useR\! 2019](https://emmavestesson.netlify.com/2019/07/user2019/) | Emma Vestesson | 20190716 | The first mention of `{disk.frame}` in a blog post |
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| [useR\! 2019 presentation video](https://www.youtube.com/watch?v=3XMTyi_H4q4) | Dai ZJ | 20190803 | |
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| [useR\! 2019 presentation slides](https://www.beautiful.ai/player/-LphQ0YaJwRektb8nZoY) | Dai ZJ | 20190803 | |
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| Title | Author | Date | Description |
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| ------------------------------------------------------------------------------------------------------------------------------------- | --------------- | -------------------------------------------------------------------------------------------------- | -------------------------------------------------- |
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| [`{disk.frame}` is epic](https://www.brodrigues.co/blog/2019-09-03-disk_frame/) | Bruno Rodriguez | 20190903 | It’s about loading a 30G file into `{disk.frame}` |
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| [My top 10 R packages for data analytics](https://www.actuaries.digital/2019/09/26/my-top-10-r-packages-for-data-analytics/) | Jacky Poon | 20190903 | `{disk.frame}` was number 3 |
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| [useR\! 2019 presentation video](https://www.youtube.com/watch?v=3XMTyi_H4q4) | Dai ZJ | 20190803 | |
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| [useR\! 2019 presentation slides](https://www.beautiful.ai/player/-LphQ0YaJwRektb8nZoY) | Dai ZJ | 20190803 | |
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| [Split-apply-combine for Maximum Likelihood Estimation of a linear model](https://www.brodrigues.co/blog/2019-10-05-parallel_maxlik/) | 20191006 | `{disk.frame}` used in helping to create a maximum likelihood estimation program for linear models | |
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| [Emma goes to useR\! 2019](https://emmavestesson.netlify.com/2019/07/user2019/) | Emma Vestesson | 20190716 | The first mention of `{disk.frame}` in a blog post |
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## Open Collective
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