corrmvc                 Correlation from a 2d covariance matrix.
emp_agr                 Employment in agriculture
graph_trend             Plot of original and smoothed time series.
lambda_value            Calculation of the lambda value.
ltable                  Lambda values table.
plot_trend              Plot fo the time series and its smoothed
                        version in ggplo
positive_definite       Checks if a squared matrix is positive definite
                        and turn it to positive definied if necessary
preliminar              Preliminar smoothing
psigma_estimates        Preliminar estimates
sigma_zf                Empirical cross-covarinace.
smoothing_level         Smoothing value
trade                   Annual Trade for USA and Mexico
trend_estimate          Trend estimation with controlled smoothing.
