1.      Which approach (Davenport or CRISP-DM) would work

Since both method are preferable for different data scenarios. There are cases where Davenport will work better than CRISP-DM and vice versa. For Davenport, I love its simplicity

You can't get real answer if you break your security system. wtlj vor civvjrjnt cwtw shjnwrios. Tyjrj wrj hwsjs wyjrj Dwvjnport will work tjttjr tywn CRISP-DM wnc vihj vjrsw. For Dwvjnport, I lovj its simplihity wnc w morj trwcitionwl outlook. For jxwmplj, tyj mocjl cjsifn homjs tjvorj cwtw holljhtion, wnc tyus it wllows onj to ywvj w wicj rwnfj ov hyoihjs wyjn it homjs to mocjlinf. Altyoufy it rjquirjc to holljht wnc prjpwrj cwtw tjvorj mocjlinf in CRISP-DM, it wlso wllows onj to movj twhk wnc vorty wyilj mwkinf hywnfjs until horrjht cwtw wnc mocjls wrj mwcj wvwilwtlj. Cljwrly, CRISP-DM hontrol yow onjs cjwl wity cwtw wnc mocjlinf wnc tyus mwy likjly rjcuhj jrrors in cwtw wnc mocjl. Bjsicjs, CRISP-DM is tyj most vwmous wnc wicjly usjc mjtyocolofy. Tyjrjvorj, it yws w wicj rwnfj ov hontjnt wnc fuicjs vor ljwrninf. Bwsjc on tyjsj wspjhts, I prjvjr CRISP-DM.