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Fix histogram bin labels
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@sgreben
sgreben committed Mar 29, 2018
1 parent c7e5183 commit d9d6da4
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2 changes: 1 addition & 1 deletion Makefile
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
VERSION = 1.1.3
VERSION = 1.1.4

APP := jp
PACKAGES := $(shell go list -f {{.Dir}} ./...)
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64 changes: 32 additions & 32 deletions README.md
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Expand Up @@ -37,16 +37,16 @@ Or [download the binary](https://github.com/sgreben/jp/releases/latest) from the

```bash
# Linux
curl -LO https://github.com/sgreben/jp/releases/download/1.1.3/jp_1.1.3_linux_x86_64.zip
unzip jp_1.1.3_linux_x86_64.zip
curl -LO https://github.com/sgreben/jp/releases/download/1.1.4/jp_1.1.4_linux_x86_64.zip
unzip jp_1.1.4_linux_x86_64.zip

# OS X
curl -LO https://github.com/sgreben/jp/releases/download/1.1.3/jp_1.1.3_osx_x86_64.zip
unzip jp_1.1.3_osx_x86_64.zip
curl -LO https://github.com/sgreben/jp/releases/download/1.1.4/jp_1.1.4_osx_x86_64.zip
unzip jp_1.1.4_osx_x86_64.zip

# Windows
curl -LO https://github.com/sgreben/jp/releases/download/1.1.3/jp_1.1.3_windows_x86_64.zip
unzip jp_1.1.3_windows_x86_64.zip
curl -LO https://github.com/sgreben/jp/releases/download/1.1.4/jp_1.1.4_windows_x86_64.zip
unzip jp_1.1.4_windows_x86_64.zip
```

## Use it
Expand Down Expand Up @@ -285,37 +285,37 @@ $ cat examples/mvrnorm.json | jp -xy '..[x,y]' -type scatter

```
$ cat examples/mvrnorm.json | jp -x ..x -type hist
684 1 [0.571769,1.14354)
██████ 2 [1.14354,1.71531)
██████ 624 3 [1.71531,2.28708)
████████████ 4 [2.28708,2.85885)
557 ████████████ 5 [2.85885,3.43062)
██████████████████ 6 [3.43062,4.00238)
██████████████████ 7 [4.00238,4.57415)
██████████████████ 8 [4.57415,5.14592)
██████████████████ 9 [5.14592,5.71769)
██████████████████ 404 10 [5.71769,6.28946)
████████████████████████ 11 [6.28946,6.86123)
314 ████████████████████████ 12 [6.86123,7.433]
▄▄▄▄▄▄████████████████████████
██████████████████████████████
██████████████████████████████
██████████████████████████████
██████████████████████████████ 176
████████████████████████████████████
98 ████████████████████████████████████
██████████████████████████████████████████ 79
1 4 41 ████████████████████████████████████████████████ 14 4
▁▁▁▁▁▁▁▁▁▁▁▁██████████████████████████████████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁
0 1 2 3 4 5 6 7 8 9 10 11 12
684 1 [-3.27033,-2.69856)
█████▌ 2 [-2.69856,-2.12679)
█████▌ 624 3 [-2.12679,-1.55502)
███████████ 4 [-1.55502,-0.983254)
557 ███████████ 5 [-0.983254,-0.411485)
▐████████████████ 6 [-0.411485,0.160285)
▐████████████████ 7 [0.160285,0.732054)
▐████████████████ 8 [0.732054,1.30382)
▐████████████████ 9 [1.30382,1.87559)
▐████████████████ 404 10 [1.87559,2.44736)
▐█████████████████████▌ 11 [2.44736,3.01913)
314 ▐█████████████████████▌ 12 [3.01913,3.5909]
▄▄▄▄▄▟█████████████████████▌
███████████████████████████▌
███████████████████████████▌
███████████████████████████▌
███████████████████████████▌ 176
█████████████████████████████████
98 █████████████████████████████████
▐██████████████████████████████████████ 79
1 4 41 ▐███████████████████████████████████████████ 14 4
▁▁▁▁▁▁▁▁▁▁▁█████████████████████████████████████████████████▁▁▁▁▁▁▁▁▁▁▁
0 1 2 3 4 5 6 7 8 9 10 11 12
```

#### Fixed bin number

```
$ cat examples/mvrnorm.json | jp -x ..x -type hist -bins 5
1652
1652
█████████████████
█████████████████
█████████████████
Expand All @@ -338,7 +338,7 @@ $ cat examples/mvrnorm.json | jp -x ..x -type hist -bins 5
22 ███████████████████████████████████████████████████ 57
▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███████████████████████████████████████████████████▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
[0,1.4866) [1.4866,2.9732) [2.9732,4.4598) [4.4598,5.9464) [5.9464,7.433]
[-3.8421,-2.3555)[-2.3555,-0.8689)[-0.8689,0.6177) [0.6177,2.1043) [2.1043,3.5909]
```

### CSV input
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2 changes: 1 addition & 1 deletion pkg/data/histogram.go
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@ func NewBins(points []float64) *Bins {
}

func (b *Bins) left(i int) float64 {
return (b.max - b.min) / float64(b.Number) * float64(i)
return b.min + ((b.max - b.min) / float64(b.Number) * float64(i))
}

func (b *Bins) right(i int) float64 {
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