having issues running npm install -g cylon-ble

[myingling0603]

Marks-MacBook-Air:node_modules ibmyingling$ npm install cylon npm notice created a lockfile as package-lock.json. You should commit this file.

• cylon@1.3.0 added 1 package in 5.895s Marks-MacBook-Air:node_modules ibmyingling$ npm install -g cylon-ble npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules/cylon-ble npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules/cylon-ble/node_modules npm ERR! path /usr/local/lib/node_modules/cylon-ble npm ERR! code EACCES npm ERR! errno -13 npm ERR! syscall access npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules/cylon-ble' npm ERR! { Error: EACCES: permission denied, access '/usr/local/lib/node_modules/cylon-ble' npm ERR! stack: 'Error: EACCES: permission denied, access \'/usr/local/lib/node_modules/cylon-ble\'', npm ERR! errno: -13, npm ERR! code: 'EACCES', npm ERR! syscall: 'access', npm ERR! path: '/usr/local/lib/node_modules/cylon-ble' } npm ERR! npm ERR! Please try running this command again as root/Administrator.

npm ERR! A complete log of this run can be found in: npm ERR! /Users/ibmyingling/.npm/_logs/2018-01-20T16_04_21_354Z-debug.log Marks-MacBook-Air:node_modules ibmyingling$ pwd /usr/local/lib/node_modules/npm/node_modules