uhho

/**
 * Simple linear regression
 *
 * @param {Array.<number>} data
 * @return {Function}
 */
function regression(data) {
  var sum_x = 0, sum_y = 0
    , sum_xy = 0, sum_xx = 0
    , count = 0

uhho

# Load balancer configuration
upstream exampleApp {
    # Directs to the process with least number of connections.
    least_conn;

    # One failed response will take a server out of circulation for 20 seconds.
    server 127.0.0.1:10080 fail_timeout=20s;
    #server 127.0.0.1:10081 fail_timeout=20s;
    #server 127.0.0.1:10082 fail_timeout=20s;
    #server 127.0.0.1:10083 fail_timeout=20s;