R provides still more tools for time series analysis. For example, we can plot the autocorrelation function for the living room temperature.
R还具有更多用于时间序列分析的工具。
Existing mapping tools APIs may allow you to plot points worldwide, but you might want an easy way to shade in a state, country, or region based on certain data.
现有的地图工具API可以让您标绘世界各地的地理点,但是您可能需要一种轻松的方法根据特定数据对州、国家或地区使用色彩渐变效果。
GD, Perl, and plot-latlong are the tools you need to create highly effective maps quickly.
Perl和plot - latlong都是快速创建高效地图所需的工具。
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