.Diff                   Internal functions
.Lag                    Internal functions
check_residuals         Check model used in OCSB test
combined_test           Ollech and Webel's combined seasonality test
freq_xts                Obtain the frequency of an xts time series
fried                   Friedman Rank test
isSeasonal              Testing the seasonality of series
kw                      Kruskall Wallis test
ocsb                    OCSB test
print.seastests         Generic function for class seastests
qs                      QS test
seasdum                 F-Test on seasonal dummies
summary.seasinttests    Generic functions for class seasinttests
summary.seastests       Generic function for class seastests
welch                   Welch seasonality test
