The chart is shown in Figure 47.26. The values of FITTED are plotted in the lower half of the trend chart. The upper half of the trend chart is an chart for the residual means (DIAMTERX - FITTED). The ...

It is a handy tool for keeping a record of data explorations, creating charts, styling text and sharing the results of that work. For data analysis, the cornerstone package in Python is “Pandas”.

Priceline.com (PCLN) in December 2012 was a different story. A trend line sat neatly across the top of the weeks ended April 13, 2012, May 4, 2012 and April 12, 2013.

The 1.05 chart support is now broken to the downside, so the short-term observation suggests lower prices are ahead for even the medium term. 1.00 or lower is not out of the question now.