%run talktools

from bokeh.plotting import *
output_notebook()
import numpy as np

x = np.linspace(-6, 6, 100)
y = np.cos(x)
circle(x, y, color="red", plot_width=500, plot_height=500)
show()

from bokeh.sampledata.autompg import autompg
grouped = autompg.groupby("yr")
mpg = grouped["mpg"]
avg = mpg.mean()
std = mpg.std()
years = np.asarray(grouped.groups.keys())
american = autompg[autompg["origin"]==1]
japanese = autompg[autompg["origin"]==3]

hold(True)
figure()
quad(left=years-0.4, right=years+0.4, bottom=avg-std, top=avg+std, 
     fill_alpha=0.4)
circle(x=np.asarray(japanese["yr"]), y=np.asarray(japanese["mpg"]), 
       size=8,
       alpha=0.4, line_color="red", fill_color=None, line_width=2)
triangle(x=np.asarray(american["yr"]), y=np.asarray(american["mpg"]),
         size=8, alpha=0.4, line_color="blue", fill_color=None,
         line_width=2)
hold(False)
show()