analytics/Plausible.Stats.Interval.html
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<h1>
<a href="https://github.com/plausible/analytics/blob/main/lib/plausible/stats/interval.ex#L1" title="View Source" class="icon-action" rel="help">
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<span translate="no">Plausible.Stats.Interval</span>
<small class="app-vsn" translate="no">(Plausible v0.0.1)</small>
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<section id="moduledoc">
<p>Collection of functions to work with intervals.</p><p>The interval of a query defines the granularity of the data. You can think of
it as a <code class="inline">GROUP BY</code> clause. Possible values are <code class="inline">minute</code>, <code class="inline">hour</code>, <code class="inline">day</code>,
<code class="inline">week</code>, and <code class="inline">month</code>.</p>
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<h2>
<a href="#types">Types</a>
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<div class="summary-signature">
<a href="#t:opt/0" translate="no">opt()</a>
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<a href="#t:opts/0" translate="no">opts()</a>
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<a href="#t:t/0" translate="no">t()</a>
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<a href="#functions">Functions</a>
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<a href="#default_for_date_range/1" translate="no">default_for_date_range(date_time_range)</a>
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<div class="summary-synopsis"><p>Returns the suggested interval for the given <code class="inline">DateTimeRange</code> struct.</p></div>
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<a href="#default_for_period/1" translate="no">default_for_period(period)</a>
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<div class="summary-synopsis"><p>Returns the suggested interval for the given time period.</p></div>
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<a href="#list/0" translate="no">list()</a>
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<div class="summary-signature">
<a href="#valid?/1" translate="no">valid?(interval)</a>
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<div class="summary-row">
<div class="summary-signature">
<a href="#valid_by_period/1" translate="no">valid_by_period(opts \\ [])</a>
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<div class="summary-signature">
<a href="#valid_for_period?/3" translate="no">valid_for_period?(period, interval, opts \\ [])</a>
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<div class="summary-synopsis"><p>Returns whether the given interval is valid for a time period.</p></div>
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<h1 class="signature" translate="no">opt()</h1>
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<pre translate="no"><span class="attribute">@type</span> opt() :: {:site, <a href="Plausible.Site.html#t:t/0">Plausible.Site.t</a>()} | {:from, <a href="https://hexdocs.pm/elixir/Date.html#t:t/0">Date.t</a>()}</pre>
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<h1 class="signature" translate="no">opts()</h1>
<a href="https://github.com/plausible/analytics/blob/main/lib/plausible/stats/interval.ex#L14" class="icon-action" rel="help" title="View Source">
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<pre translate="no"><span class="attribute">@type</span> opts() :: [<a href="#t:opt/0">opt</a>()]</pre>
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<h1 class="signature" translate="no">t()</h1>
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<pre translate="no"><span class="attribute">@type</span> t() :: <a href="https://hexdocs.pm/elixir/String.html#t:t/0">String.t</a>()</pre>
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<section class="detail" id="default_for_date_range/1">
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<h1 class="signature" translate="no">default_for_date_range(date_time_range)</h1>
<a href="https://github.com/plausible/analytics/blob/main/lib/plausible/stats/interval.ex#L43" class="icon-action" rel="help" title="View Source">
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<pre translate="no"><span class="attribute">@spec</span> default_for_date_range(<a href="Plausible.Stats.DateTimeRange.html#t:t/0">Plausible.Stats.DateTimeRange.t</a>()) :: <a href="#t:t/0">t</a>()</pre>
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<p>Returns the suggested interval for the given <code class="inline">DateTimeRange</code> struct.</p>
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<h1 class="signature" translate="no">default_for_period(period)</h1>
<a href="https://github.com/plausible/analytics/blob/main/lib/plausible/stats/interval.ex#L30" class="icon-action" rel="help" title="View Source">
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<pre translate="no"><span class="attribute">@spec</span> default_for_period(period()) :: <a href="#t:t/0">t</a>()</pre>
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<p>Returns the suggested interval for the given time period.</p>
</section>
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<h1 class="signature" translate="no">list()</h1>
<a href="https://github.com/plausible/analytics/blob/main/lib/plausible/stats/interval.ex#L19" class="icon-action" rel="help" title="View Source">
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<pre translate="no"><span class="attribute">@spec</span> list() :: [<a href="#t:t/0">t</a>()]</pre>
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<h1 class="signature" translate="no">valid?(interval)</h1>
<a href="https://github.com/plausible/analytics/blob/main/lib/plausible/stats/interval.ex#L22" class="icon-action" rel="help" title="View Source">
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<pre translate="no"><span class="attribute">@spec</span> valid?(<a href="https://hexdocs.pm/elixir/typespecs.html#built-in-types">term</a>()) :: <a href="https://hexdocs.pm/elixir/typespecs.html#built-in-types">boolean</a>()</pre>
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<h1 class="signature" translate="no">valid_by_period(opts \\ [])</h1>
<a href="https://github.com/plausible/analytics/blob/main/lib/plausible/stats/interval.ex#L70" class="icon-action" rel="help" title="View Source">
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<pre translate="no"><span class="attribute">@spec</span> valid_by_period(<a href="#t:opts/0">opts</a>()) :: <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">map</a>()</pre>
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<h1 class="signature" translate="no">valid_for_period?(period, interval, opts \\ [])</h1>
<a href="https://github.com/plausible/analytics/blob/main/lib/plausible/stats/interval.ex#L105" class="icon-action" rel="help" title="View Source">
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<pre translate="no"><span class="attribute">@spec</span> valid_for_period?(period(), <a href="#t:t/0">t</a>(), <a href="#t:opts/0">opts</a>()) :: <a href="https://hexdocs.pm/elixir/typespecs.html#built-in-types">boolean</a>()</pre>
</div>
<p>Returns whether the given interval is valid for a time period.</p><p>Intervals longer than periods are not supported, e.g. current month stats with
a month interval, or today stats with a week interval.</p><p>There are two dynamic states:</p><ul><li><code class="inline">custom</code> period is only applicable with <code class="inline">month</code> or <code class="inline">week</code> intervals,
if the <code class="inline">opts[:from]</code> and <code class="inline">opts[:to]</code> range difference exceeds 12 months</li><li><code class="inline">all</code> period's interval options depend on particular site's <code class="inline">stats_start_date</code><ul><li>daily interval is excluded if the all-time range exceeds 12 months</li></ul></li></ul>
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