我正在尝试将红色垂直线添加到时间序列图中,其中x轴格式为%Y-%m-%d.我想添加该行的日期是2013-05-14.只需在"plt.show()"之前添加该行:
plt.axvline(x=2013-05-14)
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要么:
plt.axvline(x='2013-05-14')
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返回错误:
RuntimeError: RRuleLocator estimated to generate 23972 ticks from 0044-05-12 23:59:59.999990+00:00 to 2013-06-07 00:00:00.000010+00:00: exceeds Locator.MAXTICKS * 2 (2000)
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这是函数,它运行良好,因为它是:
def time_series(self):
fig = plt.figure(figsize=(20, 20), frameon = False)
ax1 = fig.add_subplot(3, 1, 1)
d_dates, d_flux_n2o, d_sem_n2o = np.loadtxt('%stime_series/dynamic.csv' %self.dir['r_directory'], delimiter = ',', unpack=True, converters={0: mdates.strpdate2num('%Y-%m-%d')})
ax1.set_xlabel('Date')
ax1.xaxis.set_major_formatter(mdates.DateFormatter('%Y-%m-%d'))
ax1.xaxis.set_major_locator(mdates.MonthLocator())
ax1.xaxis.set_minor_locator(mdates.DayLocator())
plt.gcf().autofmt_xdate()
ax1.errorbar(d_dates, d_flux_n2o, yerr=d_sem_n2o, fmt="y-", linewidth=1.5, label = 'Biodynamic')
ax1.legend(loc = 0)
plt.show()
Run Code Online (Sandbox Code Playgroud) 我在 R 中有一个字符向量,例如:
> row
"1/1" "0/0" "0/0" "1/1" "0/1" "0/0" "1/0"
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我想交换“1”和“0”字符以返回一个向量:
> row2
"0/0" "1/1" "1/1" "0/0" "1/0" "1/1" "0/1"
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我觉得这是一项简单的任务,但我感到困惑,因为我假设多次调用gsub例如会在第二次调用时逆转转换过程。
关于基于 R 的解决方案的任何想法?谢谢!