lakes

These data give the number of known
crustacean zooplankton species for 69 world lakes. Also included are a number
of characteristics of each lake. There are missing values.

datasets

Datasets to Accompany S. Weisberg (2014),
"Applied Linear Regression," 4th edition.  Many data files
in this package are included in the alr3 package as well, so only one of them
should be used.

Sanford Weisberg

alr4

Data to Accompany Applied Linear Regression 4th Edition

lakes function

This data frame uses lake name as row label and contains the following columns:<dl>
 <dt>Species</dt>
<dd>Number of zooplankton species</dd> <dt>MaxDepth</dt>
<dd>Maximum lake depth, m</dd> <dt>MeanDepth</dt>
<dd>Mean lake depth, m</dd> <dt>Cond</dt>
<dd>Specific conductance, micro Siemans</dd> <dt>Elev</dt>
<dd>Elevation, m</dd> <dt>Lat</dt>
<dd>N latitude, degrees</dd> <dt>Long</dt>
<dd>W longitude, degrees</dd> <dt>Dist</dt>
<dd>distance to nearest lake, km</dd> <dt>NLakes</dt>
<dd>number of lakes within 20 km</dd> <dt>Photo</dt>
<dd>Rate of photosynthesis, mostly by the 14C method</dd> <dt>Area</dt>
<dd>Lake area, in hectares</dd> 
</dl>

Format

Lake zooplankton diversity — lakes

This data frame uses lake name as row label and contains the following columns:<dl>
 <dt>Species</dt>
<dd>Number of zooplankton species</dd>

 <dt>MaxDepth</dt>
<dd>Maximum lake depth, m</dd>

 <dt>MeanDepth</dt>
<dd>Mean lake depth, m</dd>

 <dt>Cond</dt>
<dd>Specific conductance, micro Siemans</dd>

 <dt>Elev</dt>
<dd>Elevation, m</dd>

 <dt>Lat</dt>
<dd>N latitude, degrees</dd>

 <dt>Long</dt>
<dd>W longitude, degrees</dd>

 <dt>Dist</dt>
<dd>distance to nearest lake, km</dd>

 <dt>NLakes</dt>
<dd>number of lakes within 20 km</dd>

 <dt>Photo</dt>
<dd>Rate of photosynthesis, mostly by the 14C method</dd>

 <dt>Area</dt>
<dd>Lake area, in hectares</dd>

 
</dl>

lakes: Lake zooplankton diversity

Description

Arguments

Format

References

Examples