## Abstraction: frequency of letter counts
+.float-right[![right-aligned Letter frequencies](letter-frequency-treemap.png)]
+
Letter | Count
-------|------
a | 489107
------------|---------|---------|---------|---------|---------|-------
Probability | 0.06723 | 0.02159 | 0.02748 | 0.02748 | 0.01607 | 1.76244520 × 10<sup>-8</sup>
-(Implmentation issue: this can often underflow, so get in the habit of rephrasing it as `\( \sum_i \log p_i \)`)
+(Implmentation issue: this can often underflow, so we rephrase it as `\( \sum_i \log p_i \)`)
Letter | h | e | l | l | o | hello
------------|---------|---------|---------|---------|---------|-------