stderr

The following objects are masked from ‘package:stats’:

    filter, lag




The following objects are masked from ‘package:base’:

    intersect, setdiff, setequal, union




<table class="dataframe">
<caption>A data.frame: 6 × 5</caption>
<thead>
	<tr><th></th><th scope=col>country</th><th scope=col>pop</th><th scope=col>continent</th><th scope=col>lifeExp</th><th scope=col>gdpPercap</th></tr>
	<tr><th></th><th scope=col>&lt;chr&gt;</th><th scope=col>&lt;dbl&gt;</th><th scope=col>&lt;chr&gt;</th><th scope=col>&lt;dbl&gt;</th><th scope=col>&lt;dbl&gt;</th></tr>
</thead>
<tbody>
	<tr><th scope=row>1</th><td>Afghanistan</td><td>31889923</td><td>Asia    </td><td>43.828</td><td>  974.5803</td></tr>
	<tr><th scope=row>2</th><td>Albania    </td><td> 3600523</td><td>Europe  </td><td>76.423</td><td> 5937.0295</td></tr>
	<tr><th scope=row>3</th><td>Algeria    </td><td>33333216</td><td>Africa  </td><td>72.301</td><td> 6223.3675</td></tr>
	<tr><th scope=row>4</th><td>Angola     </td><td>12420476</td><td>Africa  </td><td>42.731</td><td> 4797.2313</td></tr>
	<tr><th scope=row>5</th><td>Argentina  </td><td>40301927</td><td>Americas</td><td>75.320</td><td>12779.3796</td></tr>
	<tr><th scope=row>6</th><td>Australia  </td><td>20434176</td><td>Oceania </td><td>81.235</td><td>34435.3674</td></tr>
</tbody>
</table>


A data.frame: 6 × 5
\begin{tabular}{r|lllll}
  & country & pop & continent & lifeExp & gdpPercap\\
  & <chr> & <dbl> & <chr> & <dbl> & <dbl>\\
\hline
	1 & Afghanistan & 31889923 & Asia     & 43.828 &   974.5803\\
	2 & Albania     &  3600523 & Europe   & 76.423 &  5937.0295\\
	3 & Algeria     & 33333216 & Africa   & 72.301 &  6223.3675\\
	4 & Angola      & 12420476 & Africa   & 42.731 &  4797.2313\\
	5 & Argentina   & 40301927 & Americas & 75.320 & 12779.3796\\
	6 & Australia   & 20434176 & Oceania  & 81.235 & 34435.3674\\
\end{tabular}


A data.frame: 6 × 5

|  | country &lt;chr&gt; | pop &lt;dbl&gt; | continent &lt;chr&gt; | lifeExp &lt;dbl&gt; | gdpPercap &lt;dbl&gt; |
|---|---|---|---|---|---|
| 1 | Afghanistan | 31889923 | Asia     | 43.828 |   974.5803 |
| 2 | Albania     |  3600523 | Europe   | 76.423 |  5937.0295 |
| 3 | Algeria     | 33333216 | Africa   | 72.301 |  6223.3675 |
| 4 | Angola      | 12420476 | Africa   | 42.731 |  4797.2313 |
| 5 | Argentina   | 40301927 | Americas | 75.320 | 12779.3796 |
| 6 | Australia   | 20434176 | Oceania  | 81.235 | 34435.3674 |

  country     pop      continent lifeExp gdpPercap 
1 Afghanistan 31889923 Asia      43.828    974.5803
2 Albania      3600523 Europe    76.423   5937.0295
3 Algeria     33333216 Africa    72.301   6223.3675
4 Angola      12420476 Africa    42.731   4797.2313
5 Argentina   40301927 Americas  75.320  12779.3796
6 Australia   20434176 Oceania   81.235  34435.3674

Analysis of Average Life Expectancy by Continent in 2007

What are the life expectancy trends by continent?