Nortonbass_startvalgen

optional vector of starting points for the generations

gstart

the parameters for curve to estimated

param

<code>"iBM"</code> fits Bass model to each genartion;
<code>"BB"</code> uses Bass and Bass 2004 approach.

startvalgen

Fits Norton Bass curve and estimated RMSE

internal

Various diffusion models to forecast new product growth. Currently
the package contains Bass, Gompertz and Gamma/Shifted Gompertz curves. See
Meade and Islam (2006) <doi:10.1016/j.ijforecast.2006.01.005>.

Oliver Schaer

diffusion

Forecast the Diffusion of New Products

Nikolaos Kourentzes

Nortonbass_startvalgen function

<dl><dt>x</dt>
<dd>matrix with generations</dd>
<dt>gstart</dt>
<dd>optional vector of starting points for the generations</dd>
<dt>param</dt>
<dd>the parameters for curve to estimated</dd>
<dt>startvalgen</dt>
<dd><code>"iBM"</code> fits Bass model to each genartion;
<code>"BB"</code> uses Bass and Bass 2004 approach.</dd></dl>

Arguments

Oliver Schaer, <a href="/link/info%40oliverschaer.ch?package=diffusion&version=0.2.7" data-mini-rdoc="diffusion::info@oliverschaer.ch">info@oliverschaer.ch</a>

Author

Fits Norton Bass curve and estimated RMSE — Nortonbass_startvalgen

<dl>

<dt>x</dt>
<dd>matrix with generations</dd>


<dt>gstart</dt>
<dd>optional vector of starting points for the generations</dd>


<dt>param</dt>
<dd>the parameters for curve to estimated</dd>


<dt>startvalgen</dt>
<dd><code>"iBM"</code> fits Bass model to each genartion;
<code>"BB"</code> uses Bass and Bass 2004 approach.</dd>

</dl>

Oliver Schaer, <a href='mailto:info@oliverschaer.ch'>info@oliverschaer.ch</a>

Nortonbass_startvalgen: Fits Norton Bass curve and estimated RMSE

Description

Usage

Value

Arguments

Author