sjevelazco/flexsdm: v1.3.9

What's Changed new vignette was added by @sjevelazco in https://github.com/sjevelazco/flexsdm/pull/438 sdm_predict binary model changed to be numeric, not logical by @sjevelazco in https://github.com/sjevelazco/flexsdm/pull/439 min change in vignette and condes formatted by @sjevelazco in https://github.com/sjevelazco/flexsdm/pull/441 sdm_uncertainty function was created by @sjevelazco in https://github.com/sjevelazco/flexsdm/pull/442 min change in sdm_uncertainty by @sjevelazco in https://github.com/sjevelazco/flexsdm/pull/444 new pseudo_absences approaches by @sjevelazco in https://github.com/sjevelazco/flexsdm/pull/448 min change on boyce by @sjevelazco in https://github.com/sjevelazco/flexsdm/pull/449 pdp 'I' bug fixed by @sjevelazco in https://github.com/sjevelazco/flexsdm/pull/451 Full Changelog: https://github.com/sjevelazco/flexsdm/compare/v1.3.8...v1.3.9