October 2017
Intermediate to advanced
480 pages
9h 49m
Japanese
Content preview from Rではじめるデータサイエンス
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378
21
章
R
マークダウン
21.2
R
マークダウン
次に、テキストファイルで拡張子が
.Rmd
のR マークダウンファイルを説明します
＊1
。
---
title: "Diamond sizes"
date: 2016-08-25
output: html_document
---
```{r setup, include = FALSE}
library(ggplot2)
library(dplyr)
smaller <- diamonds %>%
filter(carat <= 2.5)
```
We have data about `r nrow(diamonds)` diamonds. Only
`r nrow(diamonds) - nrow(smaller)` are larger than
2.5 carats. The distribution of the remainder is shown
below:
```{r, echo =
FALSE}
smaller %>%
ggplot(aes(carat)) +
geom_freqpoly(binwidth = 0.01)
```
これには、3 種類の内容が含まれます。
1.
---
で囲んだ（オプションの）YAMLヘッダ。
2.
```
で囲んだRコードのチャンク。
3.
#
ヘッダや
_
斜体
_
のような簡単なテキストフォーマット情報を含んだテキスト。
.Rmd
をRStudioで開くと、
notebook
インタフェースになり、コードと出力が交互に置かれます。
コー ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.