visdom 绘制条形图（柱状图）

以你之姓@ 2022-03-17 17:50 414阅读 0赞

# 可调用参数简介 #

*  `opts.title` : figure title
 *  `opts.width` : figure width
 *  `opts.height` : figure height
 *  `opts.showlegend` : show legend (`true` or `false`)
 *  `opts.xtype` : type of x-axis (`'linear'` or `'log'`)
 *  `opts.xlabel` : label of x-axis
 *  `opts.xtick` : show ticks on x-axis (`boolean`)
 *  `opts.xtickmin` : first tick on x-axis (`number`)
 *  `opts.xtickmax` : last tick on x-axis (`number`)
 *  `opts.xtickvals` : locations of ticks on x-axis (`table` of `number`s)
 *  `opts.xticklabels` : ticks labels on x-axis (`table` of `string`s)
 *  `opts.xtickstep` : distances between ticks on x-axis (`number`)
 *  `opts.ytype` : type of y-axis (`'linear'` or `'log'`)
 *  `opts.ylabel` : label of y-axis
 *  `opts.ytick` : show ticks on y-axis (`boolean`)
 *  `opts.ytickmin` : first tick on y-axis (`number`)
 *  `opts.ytickmax` : last tick on y-axis (`number`)
 *  `opts.ytickvals` : locations of ticks on y-axis (`table` of `number`s)
 *  `opts.yticklabels` : ticks labels on y-axis (`table` of `string`s)
 *  `opts.ytickstep` : distances between ticks on y-axis (`number`)
 *  `opts.marginleft` : left margin (in pixels)
 *  `opts.marginright` : right margin (in pixels)
 *  `opts.margintop` : top margin (in pixels)
 *  `opts.marginbottom`: bottom margin (in pixels)

# 条形图 #

from visdom import Visdom
    import numpy as np
    
    viz = Visdom(env='exp')
    
    viz.bar(
        X=np.abs(np.random.rand(5, 3)),   # rand（rownames个数，legend个数）
        opts=dict(
            stacked=True, # 是否堆叠在一个条形柱上
            legend=['Facebook', 'Google', 'Twitter'], # 类别
            rownames=['2012', '2013', '2014', '2015', '2016'] # 横坐标名字
        )
    )

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dKX01laU1laQ_size_16_color_FFFFFF_t_70][]

from visdom import Visdom
    import numpy as np
    
    viz = Visdom(env='exp')
    
    viz.bar(
        X=np.random.rand(20, 3),
        opts=dict(
            stacked=False,
            legend=['The Netherlands', 'France', 'United States']
        )
    )

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dKX01laU1laQ_size_16_color_FFFFFF_t_70 1][]

from visdom import Visdom
    import numpy as np
    
    viz = Visdom(env='exp')
    viz.bar(X=np.random.rand(4, 2),
            opts=dict(
            stacked=False,
            legend=['FC', 'POOL5'],
            rownames=['top-1', 'top5', 'top10', 'top20'],
            title='Test',
            ylabel='rank-k  Error Rate',  # y轴名称
            xtickmin=0.4,   # x轴左端点起始位置
            xtickstep=0.4   # 每个柱形间隔距离
        ))

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dKX01laU1laQ_size_16_color_FFFFFF_t_70 2][]

visdom 中文文档  [https://ptorch.com/news/77.html][https_ptorch.com_news_77.html]

更多详情见  [https://zhuanlan.zhihu.com/p/32025746][https_zhuanlan.zhihu.com_p_32025746]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dKX01laU1laQ_size_16_color_FFFFFF_t_70]: /images/20220317/e7b5b8f1328c4a4abb18ebd7d0c734c2.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dKX01laU1laQ_size_16_color_FFFFFF_t_70 1]: /images/20220317/f8a3b833e5d447af8181cea86944d4f9.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dKX01laU1laQ_size_16_color_FFFFFF_t_70 2]: /images/20220317/6273e06afd5841a7b66db700a5671cd9.png
[https_ptorch.com_news_77.html]: https://ptorch.com/news/77.html
[https_zhuanlan.zhihu.com_p_32025746]: https://zhuanlan.zhihu.com/p/32025746