Radius of AddCircle in Leaflet for R
<pre><code>leaflet() %&gt;%
addTiles() %&gt;%
addCircles(lng = -72.680663, lat = 42.448013, radius = 10, color = "#03F",    weight = 3)
</code></pre>

<p>Hi! Our group is using the leaflet package. We are trying to figure out what units the radius argument takes in the <code>addCircles()</code> function.</p>

<p>According to the documentation, radius is:
a numeric vector of radii for the circles; it can also be a one-sided formula, in which case the radius values are derived from the data (units in meters for circles, and pixels for circle markers)</p>

<p>Is there a way for us to set the units the radius is in? What is the default unit radius is set it?</p>

<p>Circle that shows up with radius of 10 entered:</p>

<p><a href="https://i.stack.imgur.com/arFil.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/arFil.png" alt="enter image description here"></a></p>