# 基礎柱狀圖

柱狀圖有別於直方圖，柱狀圖無法顯示數據在一個區間內的連續變化趨勢。柱狀圖描述的是分類數據，回答的是每一個分類中“有多少？”這個問題。需要注意的是， 當柱狀圖顯示的分類很多時會導致分類名附加等顯示問題。

### 預覽圖

---

[![基礎柱狀圖.png](https://book.gosu.bar/uploads/images/gallery/2019-12/scaled-1680-/ZoGIGApzBv8w8V94-%E5%9F%BA%E7%A4%8E%E6%9F%B1%E7%8B%80%E5%9C%96.png)](https://book.gosu.bar/uploads/images/gallery/2019-12/ZoGIGApzBv8w8V94-%E5%9F%BA%E7%A4%8E%E6%9F%B1%E7%8B%80%E5%9C%96.png)

### 設定值

---

- #### 資料源

```
[{
  year: '1951 年',
  sales: 38
}, {
  year: '1952 年',
  sales: 52
}, {
  year: '1956 年',
  sales: 61
}, {
  year: '1957 年',
  sales: 145
}, {
  year: '1958 年',
  sales: 48
}, {
  year: '1959 年',
  sales: 38
}, {
  year: '1960 年',
  sales: 38
}, {
  year: '1962 年',
  sales: 38
}]
```

- #### 內距

```
40,40,60,60
```

- #### 圖 Geom

##### <span data-slate-fragment="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">柱狀圖（ interval ）</span>

<table border="1" id="bkmrk-%E5%88%97%E8%A1%A8-%E8%A8%AD%E5%AE%9A%E5%80%BC-%E6%AC%84%E4%BD%8D-year%2Asales" style="border-collapse: collapse; width: 100%;"><tbody><tr><td class="align-center" style="width: 50%;">列表</td><td class="align-center" style="width: 50%;">設定值</td></tr><tr><td style="width: 50%;">欄位</td><td style="width: 50%;"><span data-slate-fragment="JTdCJTIyb2JqZWN0JTIyJTNBJTIyZG9jdW1lbnQlMjIlMkMlMjJkYXRhJTIyJTNBJTdCJTdEJTJDJTIybm9kZXMlMjIlM0ElNUIlN0IlMjJvYmplY3QlMjIlM0ElMjJibG9jayUyMiUyQyUyMnR5cGUlMjIlM0ElMjJwYXJhZ3JhcGglMjIlMkMlMjJpc1ZvaWQlMjIlM0FmYWxzZSUyQyUyMmRhdGElMjIlM0ElN0IlN0QlMkMlMjJub2RlcyUyMiUzQSU1QiU3QiUyMm9iamVjdCUyMiUzQSUyMnRleHQlMjIlMkMlMjJsZWF2ZXMlMjIlM0ElNUIlN0IlMjJvYmplY3QlMjIlM0ElMjJsZWFmJTIyJTJDJTIydGV4dCUyMiUzQSUyMnllYXIqc2FsZXMlMjIlMkMlMjJtYXJrcyUyMiUzQSU1QiU1RCU3RCU1RCU3RCU1RCU3RCU1RCU3RA==">year\*sales</span></td></tr><tr><td style="width: 50%;">類型</td><td style="width: 50%;">柱狀圖</td></tr></tbody></table>