Merge pull request #14 from posit-conf-2024/nic-plane-updates

Tweak a few images

_freeze/materials/1_hello_arrow/execute-results/html.json

@@ -1,8 +1,8 @@
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-    "markdown": "---\nfooter: \"[🔗 pos.it/arrow-conf24](https://pos.it/arrow-conf24)\"\nlogo: \"images/logo.png\"\nexecute:\n  echo: true\nformat:\n  revealjs: \n    theme: default\nengine: knitr\neditor: source\n---\n\n\n# Hello Arrow {#hello-arrow}\n\n\n## Kick-off Q&A\n\n<br>\n\n- What brings you to this workshop?\n- What challenges have you faced related to larger-than-memory data in R?\n- What is one thing you want to learn or achieve from today's workshop?\n- ...?\n\n\n## Poll: Arrow\n\n<br>\n\n**Have you used or experimented with Arrow before today?**\n\nVote using emojis on the #workshop-arrow discord channel! <br> \n\n1️⃣ Not yet\n\n2️⃣ Not yet, but I have read about it!\n\n3️⃣ A little\n\n4️⃣ A lot\n\n\n## Hello Arrow<br>Demo\n\n<br>\n\n![](images/logo.png){.absolute top=\"0\" left=\"250\" width=\"600\" height=\"800\"}\n\n## Some \"Big\" Data\n\n![](images/nyc-taxi-homepage.png){.absolute left=\"200\" width=\"600\"}\n\n::: {style=\"font-size: 60%; margin-top: 550px; margin-left: 200px;\"}\n<https://www.nyc.gov/site/tlc/about/tlc-trip-record-data.page>\n:::\n\n## NYC Taxi Data\n\n-   *big* NYC Taxi data set (\\~40GBs on disk)\n\n\n::: {.cell}\n\n```{.r .cell-code}\nopen_dataset(\"s3://voltrondata-labs-datasets/nyc-taxi\") |>\n  filter(year %in% 2012:2021) |>\n  write_dataset(\"data/nyc-taxi\", partitioning = c(\"year\", \"month\"))\n```\n:::\n\n\n-   *tiny* NYC Taxi data set (\\<1GB on disk)\n\n\n::: {.cell}\n\n```{.r .cell-code}\ndownload.file(url = \"https://github.com/posit-conf-2023/arrow/releases/download/v0.1.0/nyc-taxi-tiny.zip\",\n              destfile = \"data/nyc-taxi-tiny.zip\")\n\nunzip(\n  zipfile = \"data/nyc-taxi-tiny.zip\",\n  exdir = \"data/\"\n)\n```\n:::\n\n\n## Larger-Than-Memory Data\n\n<br>\n\n`arrow::open_dataset()`\n\n<br>\n\n::: notes\nArrow Datasets allow you to query against data that has been split across multiple files. This division of data into multiple files may indicate partitioning, which can accelerate queries that only touch some partitions (files). Call open_dataset() to point to a directory of data files and return a Dataset, then use dplyr methods to query it.\n:::\n\n## NYC Taxi Dataset\n\n\n::: {.cell}\n\n```{.r .cell-code}\nlibrary(arrow)\n\nnyc_taxi <- open_dataset(\"data/nyc-taxi\")\n```\n:::\n\n\n## NYC Taxi Dataset\n\n\n::: {.cell}\n\n```{.r .cell-code}\nnyc_taxi |> \n  nrow()\n```\n\n::: {.cell-output .cell-output-stdout}\n\n```\n[1] 1150352666\n```\n\n\n:::\n:::\n\n\n<br>\n\n1.15 billion rows 🤯\n\n## NYC Taxi Dataset: A question\n\n<br>\n\nWhat percentage of taxi rides each year had more than 1 passenger?\n\n## NYC Taxi Dataset: A dplyr pipeline\n\n\n::: {.cell}\n\n```{.r .cell-code}\nlibrary(dplyr)\n\nnyc_taxi |>\n  group_by(year) |>\n  summarise(\n    all_trips = n(),\n    shared_trips = sum(passenger_count > 1, na.rm = TRUE)\n  ) |>\n  mutate(pct_shared = shared_trips / all_trips * 100) |>\n  collect()\n```\n\n::: {.cell-output .cell-output-stdout}\n\n```\n# A tibble: 10 × 4\n    year all_trips shared_trips pct_shared\n   <int>     <int>        <int>      <dbl>\n 1  2012 178544324     53313752       29.9\n 2  2013 173179759     51215013       29.6\n 3  2014 165114361     48816505       29.6\n 4  2015 146112989     43081091       29.5\n 5  2017 113495512     32296166       28.5\n 6  2018 102797401     28796633       28.0\n 7  2019  84393604     23515989       27.9\n 8  2020  24647055      5837960       23.7\n 9  2021  30902618      7221844       23.4\n10  2016 131165043     38163870       29.1\n```\n\n\n:::\n:::\n\n\n## NYC Taxi Dataset: A dplyr pipeline\n\n\n::: {.cell}\n\n```{.r .cell-code}\nlibrary(tictoc)\n\ntic()\nnyc_taxi |>\n  group_by(year) |>\n  summarise(\n    all_trips = n(),\n    shared_trips = sum(passenger_count > 1, na.rm = TRUE)\n  ) |>\n  mutate(pct_shared = shared_trips / all_trips * 100) |>\n  collect()\ntoc()\n```\n:::\n\n\n> 6.077 sec elapsed\n\n## Your Turn\n\n1.  Calculate the longest trip distance for every month in 2019\n\n2.  How long did this query take to run?\n\n➡️ [Hello Arrow Exercises Page](1_hello_arrow-exercises.html)\n\n## What is Apache Arrow?\n\n::: columns\n::: {.column width=\"50%\"}\n> A multi-language toolbox for accelerated data interchange and in-memory processing\n:::\n\n::: {.column width=\"50%\"}\n> Arrow is designed to both improve the performance of analytical algorithms and the efficiency of moving data from one system or programming language to another\n:::\n:::\n\n::: {style=\"font-size: 70%;\"}\n<https://arrow.apache.org/overview/>\n:::\n\n## Apache Arrow Specification\n\nIn-memory columnar format: a standardized, language-agnostic specification for representing structured, table-like data sets in-memory.\n\n<br>\n\n![](images/arrow-rectangle.png){.absolute left=\"200\"}\n\n## A Multi-Language Toolbox\n\n![](images/arrow-libraries-structure.png)\n\n## Accelerated Data Interchange\n\n![](images/data-interchange-with-arrow.png)\n\n## Accelerated In-Memory Processing\n\nArrow's Columnar Format is Fast\n\n![](images/columnar-fast.png){.absolute top=\"120\" left=\"200\" height=\"600\"}\n\n::: notes\nThe contiguous columnar layout enables vectorization using the latest SIMD (Single Instruction, Multiple Data) operations included in modern processors.\n:::\n\n## arrow 📦\n\n<br>\n\n![](images/arrow-r-pkg.png){.absolute top=\"0\" left=\"300\" width=\"700\" height=\"900\"}\n\n## arrow 📦\n\n![](images/arrow-read-write-updated.png)\n\n## Today\n\n-   Module 1: Larger-than-memory data manipulation with Arrow---Part I\n-   Module 2: Data engineering with Arrow\n-   Module 3: In-memory workflows in R with Arrow\n-   Module 4: Larger-than-memory data manipulation with Arrow---Part II\n\n",
+    "markdown": "---\nfooter: \"[🔗 pos.it/arrow-conf24](https://pos.it/arrow-conf24)\"\nlogo: \"images/logo.png\"\nexecute:\n  echo: true\nformat:\n  revealjs: \n    theme: default\nengine: knitr\neditor: source\n---\n\n\n\n\n# Hello Arrow {#hello-arrow}\n\n## Poll: Arrow\n\n<br>\n\n**Have you used or experimented with Arrow before today?**\n\nVote using emojis on the #workshop-arrow discord channel! <br> \n\n1️⃣ Not yet\n\n2️⃣ Not yet, but I have read about it!\n\n3️⃣ A little\n\n4️⃣ A lot\n\n\n## Hello Arrow<br>Demo\n\n<br>\n\n![](images/logo.png){.absolute top=\"0\" left=\"250\" width=\"600\" height=\"800\"}\n\n## Some \"Big\" Data\n\n![](images/nyc-taxi-homepage.png){.absolute left=\"200\" width=\"600\"}\n\n::: {style=\"font-size: 60%; margin-top: 550px; margin-left: 200px;\"}\n<https://www.nyc.gov/site/tlc/about/tlc-trip-record-data.page>\n:::\n\n## NYC Taxi Data\n\n-   *big* NYC Taxi data set (\\~40GBs on disk)\n\n\n\n\n::: {.cell}\n\n```{.r .cell-code}\nopen_dataset(\"s3://voltrondata-labs-datasets/nyc-taxi\") |>\n  filter(year %in% 2012:2021) |>\n  write_dataset(\"data/nyc-taxi\", partitioning = c(\"year\", \"month\"))\n```\n:::\n\n\n\n\n-   *tiny* NYC Taxi data set (\\<1GB on disk)\n\n\n\n\n::: {.cell}\n\n```{.r .cell-code}\ndownload.file(url = \"https://github.com/posit-conf-2023/arrow/releases/download/v0.1.0/nyc-taxi-tiny.zip\",\n              destfile = \"data/nyc-taxi-tiny.zip\")\n\nunzip(\n  zipfile = \"data/nyc-taxi-tiny.zip\",\n  exdir = \"data/\"\n)\n```\n:::\n\n\n\n\n## Larger-Than-Memory Data\n\n<br>\n\n`arrow::open_dataset()`\n\n<br>\n\n::: notes\nArrow Datasets allow you to query against data that has been split across multiple files. This division of data into multiple files may indicate partitioning, which can accelerate queries that only touch some partitions (files). Call open_dataset() to point to a directory of data files and return a Dataset, then use dplyr methods to query it.\n:::\n\n## NYC Taxi Dataset\n\n\n\n\n::: {.cell}\n\n```{.r .cell-code}\nlibrary(arrow)\n\nnyc_taxi <- open_dataset(\"data/nyc-taxi\")\n```\n:::\n\n\n\n\n## NYC Taxi Dataset\n\n\n\n\n::: {.cell}\n\n```{.r .cell-code}\nnyc_taxi |> \n  nrow()\n```\n\n::: {.cell-output .cell-output-stdout}\n\n```\n[1] 1150352666\n```\n\n\n:::\n:::\n\n\n\n\n<br>\n\n1.15 billion rows 🤯\n\n## NYC Taxi Dataset: A question\n\n<br>\n\nWhat percentage of taxi rides each year had more than 1 passenger?\n\n## NYC Taxi Dataset: A dplyr pipeline\n\n\n\n\n::: {.cell}\n\n```{.r .cell-code}\nlibrary(dplyr)\n\nnyc_taxi |>\n  group_by(year) |>\n  summarise(\n    all_trips = n(),\n    shared_trips = sum(passenger_count > 1, na.rm = TRUE)\n  ) |>\n  mutate(pct_shared = shared_trips / all_trips * 100) |>\n  collect()\n```\n\n::: {.cell-output .cell-output-stdout}\n\n```\n# A tibble: 10 × 4\n    year all_trips shared_trips pct_shared\n   <int>     <int>        <int>      <dbl>\n 1  2012 178544324     53313752       29.9\n 2  2013 173179759     51215013       29.6\n 3  2014 165114361     48816505       29.6\n 4  2015 146112989     43081091       29.5\n 5  2016 131165043     38163870       29.1\n 6  2017 113495512     32296166       28.5\n 7  2018 102797401     28796633       28.0\n 8  2019  84393604     23515989       27.9\n 9  2020  24647055      5837960       23.7\n10  2021  30902618      7221844       23.4\n```\n\n\n:::\n:::\n\n\n\n\n## NYC Taxi Dataset: A dplyr pipeline\n\n\n\n\n::: {.cell}\n\n```{.r .cell-code}\nlibrary(tictoc)\n\ntic()\nnyc_taxi |>\n  group_by(year) |>\n  summarise(\n    all_trips = n(),\n    shared_trips = sum(passenger_count > 1, na.rm = TRUE)\n  ) |>\n  mutate(pct_shared = shared_trips / all_trips * 100) |>\n  collect()\ntoc()\n```\n:::\n\n\n\n\n> 6.077 sec elapsed\n\n## Your Turn\n\n1.  Calculate the longest trip distance for every month in 2019\n\n2.  How long did this query take to run?\n\n➡️ [Hello Arrow Exercises Page](1_hello_arrow-exercises.html)\n\n## What is Apache Arrow?\n\n::: columns\n::: {.column width=\"50%\"}\n> A multi-language toolbox for accelerated data interchange and in-memory processing\n:::\n\n::: {.column width=\"50%\"}\n> Arrow is designed to both improve the performance of analytical algorithms and the efficiency of moving data from one system or programming language to another\n:::\n:::\n\n::: {style=\"font-size: 70%;\"}\n<https://arrow.apache.org/overview/>\n:::\n\n## Apache Arrow Specification\n\nIn-memory columnar format: a standardized, language-agnostic specification for representing structured, table-like data sets in-memory.\n\n<br>\n\n![](images/arrow-rectangle.png){.absolute left=\"200\"}\n\n## A Multi-Language Toolbox\n\n![](images/arrow-libraries-structure.png)\n\n## Accelerated Data Interchange\n\n![](images/data-interchange-with-arrow.png)\n\n## Accelerated In-Memory Processing\n\nArrow's Columnar Format is Fast\n\n![](images/columnar-fast.png){.absolute top=\"120\" left=\"200\" height=\"600\"}\n\n::: notes\nThe contiguous columnar layout enables vectorization using the latest SIMD (Single Instruction, Multiple Data) operations included in modern processors.\n:::\n\n## arrow 📦\n\n<br>\n\n![](images/arrow-r-pkg-highlights.png){.absolute top=\"0\" left=\"300\" width=\"700\" height=\"900\"}\n\n## arrow 📦\n\n![](images/arrow-read-write-updated.png)\n\n## Today\n\n-   Module 1: Larger-than-memory data manipulation with Arrow---Part I\n-   Module 2: Data engineering with Arrow\n-   Module 3: In-memory workflows in R with Arrow\n-   Module 4: Larger-than-memory data manipulation with Arrow---Part II\n\n",
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