One-period returns to multi-period returns

Calculates k-period simple return series from one-period simple return series using the following formula:
R(k) = (1+R_t)*(1+R_(t-1))*...*(1+R_(t-k+1)) - 1

Missing values in the one-period return series are treated as zeros.

Required extensions:
- KNIME Math Expression (JEP) (https://hub.knime.com/knime/extensions/org.knime.features.ext.jep/latest)
- KNIME Quick Forms (https://hub.knime.com/knime/extensions/org.knime.features.js.quickforms/latest)

Input ports

1. Type: Table
   One-period return series
   One or more numeric columns. Each selected column is interpreted as single period simple return series.

Output ports

1. Type: Table
   k-period simple return series
   k-period simple return series calculated using the one-period simple return series and window length k that are provided in the input.