Nonlinear filtering is applied to Monte Carlo simulations, option pricing and earnings prediction. Time series analysis is applied to the study of temperature options and nonparametric estimation. Principal component analysis (PCA), smoothing, and regression techniques are applied to the construction of yield and forward curves. Concerns of risk management are addressed by the study of extreme values, the fitting of distributions with heavy tails, the computation of values at risk (VaR), and other measures of risk. It shows how sophisticated mathematics and modern statistical techniques can be used in the solutions of concrete financial problems. This textbook fills this gap by addressing some of the most challenging issues facing financial engineers. Please find a a proper solution for APFS Drives.Although there are many books on mathematical finance, few deal with the statistical aspects of modern data analysis as applied to financial problems. a music producer i have got VSTs (music softwares )on my mac and this would mean long hours of backup and then reinstallation on formatted mac. Please find a solution as because of this i can not recovery my files through any recovery software as APFS is problematic.Īlso that i don’t think reformating is an option i can go for as i being. The Stellar website suggests to go for complete reformatting Macintosh HD which by the way means to reformat my mac. ![]() FOllowing is the link to the Thread:-Īlso that i have tried Stellar Recovery software and i found that because of these errors, recovering files from macbook is not possible. the methods i used, i found on apple disscussion. Warning: apfs_num_other_fsobjects (60) is not valid (62). Login as normal and run First Aid on Disk and the error should be gone.You will see the same error, however in this case the repair will continue and fix the issue. Type /sbin/fsck -fy into the command line and press Enter.Start up Mac in single-user mode by restarting then press and hold Command + S.And then i tried 2nd thing from Single User mode. So i went on to try my best be searching on web but i could not find anything else. So in order to solve i had first of all Boooted in Recovery Mode and then Run first aid on Mac HD Volume.Īnd when i came back to normal boot and run first aid i got the error (as mentioned above) : apfs_num. The volume /dev/rdisk1s1 could not be verified completely. I had searched internet but i can’t find any solution to this error.Īlso i had done 1 step before coming to this as i was getting error :fsroot tree is invalidįollowing is the message which appeared on running first aid:-Įrror: btn: invalid btn_btree.bt_key_count (expected 2000421, actual 2000470) ![]() Restoring the original state found as mounted. The volume /dev/rdisk1s1 appears to be OK. The volume Macintosh HD was formatted by hfs_convert (748.31.8) and last modified by apfs_kext (945.275.7). Performing fsck_apfs -n -l -x /dev/rdisk1s1Ĭhecking the space manager free queue trees. NOTE: First Aid will temporarily lock the startup volume. ![]() Running First Aid on “Macintosh HD” (disk1s1) The whole Detail as appeared in mac is as follows:. Warning: apfs_num_other_fsobjects (60) is not valid (62) Running Disk Utility FIrst Aid on the Macintosh Hd Volume has following error :.
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