<?xml version="1.0" encoding="UTF-8"?>
<chapter id="details.forecast">
<chapterinfo>
  <authorgroup>
    <author
>&Colin.Wright; &Colin.Wright.mail; </author>
  </authorgroup>
  <date
>2010-07-25</date>
  <releaseinfo
>4.5</releaseinfo>
</chapterinfo>

<title id="details.forecast.title"
>Prognose</title>

<sect1 id="details.forecast.define">
<title
>Wat is een Prognose?</title>

<para
>In &kappname; is een Prognose een prognose van de saldi van rekeningen gedurende een gespecificeerde toekomstige tijdsperiode.</para>

<para
>Prognoses kunnen gemaakt worden met een van twee methoden. </para>

<variablelist>
  <varlistentry>
    <term
>Geplande en toekomstige transacties</term>
    <listitem>
      <para
>&kappname; gebruikt een combinatie van toekomstige transacties die al zijn ingevoerd in de kasboeken en de items in de planning.</para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Historie-gebaseerd</term>
    <listitem>
      <para
>&kappname; gebruikt waarden uit eerdere transacties in de kasboeken om toekomstige transacties te voorspellen.</para>
    </listitem>
  </varlistentry>
</variablelist>

<para
>De methode van prognosticeren en periode hiervan kan in de instellingen van &kappname; worden geconfigureerd in het paneel Prognose. </para>

<para
>&kappname; Forecast provides a summary, showing the predicted balances at account cycle dates and the expected difference between the starting and ending balances. The length of the account cycle can be set by the user. The summary also displays messages about significant predicted changes to the accounts during the forecast period. </para>

<para
>As well as the summary, &kappname; Forecast also allows you to view day-by-day balances and view the minimum and maximum balances for each forecast account cycle. </para>

<para
>By default the Forecast is created for 90-days, with 30-day account cycles using Scheduled and Future Transactions. </para>
</sect1>

<sect1 id="details.forecast.view">
<title
>Viewing Forecasts</title>

<para
>You can view a Forecast by clicking the appropriate icon in the navigation pane at the left hand side of your &kappname; window. </para>

<para
>The Forecast window is split into five tabs </para>

<sect2>
<title
>Summary Tab</title>

<para
>The Summary tab is split vertically into two halves. </para>

<sect3>
<title
>Account Summary</title>

<para
>The Account Summary contains a grid displaying a row of information for each Asset and Liability. </para>

<para
>The following columns are displayed: </para>

<variablelist>
  <varlistentry>
    <term
>Rekening</term>
    <listitem>
      <para
>The name of the Asset or Liability account</para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Current Balance (Current)</term>
    <listitem>
      <para
>The current balance of the account is displayed.</para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Account Cycle Balance</term>
    <listitem>
      <para
>The Forecast period is split into account cycles. The default account cycle length is 30 days, but can be set by the user.</para>

      <para
>The first account cycle date is the first Forecast date. By default this is the current date plus one account cycle, but can change depending on the "Day of Month to start Forecast" setting.</para>

      <para
>Remaining account cycle dates are determined by adding the account cycle length to the previous account cycle date. This is continued until the calculated account cycle date would be beyond the Forecast period.</para>

      <para
>For each account cycle date the predicted balance is displayed.</para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Totale variantie</term>
    <listitem>
      <para
>The rightmost column displays the predicted difference in value between the balances at the start and end of the forecast. If the predicted end value of the account (in terms of net worth) is less than the start value the whole row is highlighted in red.</para>
    </listitem>
  </varlistentry>
</variablelist>

</sect3>

<sect3>
<title
>Key Summary Information</title>

<para
>The bottom half of the Summary tab displays noteworthy information about accounts. This includes: </para>

<variablelist>
  <varlistentry>
    <term
>Assets below zero</term>
    <listitem>
      <para
>A message is displayed for any asset for which the value starts or will drop below zero during the forecast period.</para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Liabilities above zero</term>
    <listitem>
      <para
>A message is displayed for any liability for which the value starts or will rise above zero during the forecast period. Note that the value of a liability is the negative of its ledger balance, since a positive balance indicates money owed.</para>
    </listitem>
  </varlistentry>
</variablelist>
</sect3>
</sect2>

<sect2>
<title
>Details Tab</title>

<para
>The Details tab contains a grid displaying a row of information for each Asset and Liability. </para>

<variablelist>
  <varlistentry>
    <term
>Rekening</term>
    <listitem>
      <para
>The name of the Asset or Liability account</para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Datums</term>
    <listitem>
      <para
>For each date in the Forecast period a column displays the predicted balance of the account on that date. The date columns are in ascending order from left to right.</para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Totale variantie</term>
    <listitem>
      <para
>The rightmost column displays the predicted difference in value between the balances at the start and end of the forecast. If the predicted end value of the account (in terms of net worth) is less than the start value the whole row is highlighted in red.</para>
    </listitem>
  </varlistentry>
</variablelist>
</sect2>

<sect2>
<title
>Het tabblad Gevorderd</title>

<para
>The Advanced tab contains a grid displaying a row of information for each Asset and Liability. The information is split into columns as follows: </para>

<variablelist>
  <varlistentry>
    <term
>Rekening</term>
    <listitem>
      <para
>The name of the Asset or Liability account</para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Minimum Account Cycle Balance</term>
    <listitem>
      <para
>For each account cycle number &lt;n&gt; in the Forecast period the following columns are displayed:</para>

      <variablelist>
	<varlistentry>
	  <term
>Minimum Balance (Min Bal &lt;n&gt;)</term>
	  <listitem>
	    <para
>The minimum predicted balance during the account cycle</para>
	  </listitem>
	</varlistentry>
	<varlistentry>
	  <term
>Minimum Balance Date (Min Date &lt;n&gt;)</term>
	  <listitem>
	    <para
>The date on which the balance reaches its predicted minimum.</para>
	  </listitem>
	</varlistentry>
      </variablelist>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Maximum Account Cycle Balance</term>

    <listitem>
      <para
>For each account cycle number &lt;n&gt; in the Forecast period the following columns are displayed:</para>

      <variablelist>
	<varlistentry>
	  <term
>Maximum Balance (Max Bal &lt;n&gt;)</term>
	  <listitem>
	    <para
>The maximum predicted balance during the account cycle</para>
	  </listitem>
	</varlistentry>
	<varlistentry>
	  <term
>Maximum Balance Date (Max Date &lt;n&gt;)</term>
	  <listitem>
	    <para
>The date on which the balance reaches its predicted maximum.</para>
	  </listitem>
	</varlistentry>
      </variablelist>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term
>Gemiddeld</term>

    <listitem>
      <para
>The average balance of the account during the forecast period</para>
    </listitem>
  </varlistentry>
</variablelist>

</sect2>

<sect2>
<title
>Budget Forecast Tab</title>

<para
>The Budget tab displays a forecast calculation for the Income and Expense categories. The columns are similar to the Summary and Detailed tabs. </para>

</sect2>

<sect2>
<title
>Grafiek Tabblad</title>

<para
>It displays a chart showing the forecast. The level of detail varies depending on the detail level selected on the option above. </para>

</sect2>

</sect1>
</chapter>
