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| .compact | Compact a ff vector or ffdf data frame |
| .compact.ff | Compact a ff vector or ffdf data frame |
| .compact.ffdf | Compact a ff vector or ffdf data frame |
| .preparedf | Prepare a data.frame for as.ffdf to not break |
| .upgradevmode | Upgrade vmode of ff column while stacking |
| compact | Compact a ff vector or ffdf data frame |
| compact.ff | Compact a ff vector or ffdf data frame |
| compact.ffdf | Compact a ff vector or ffdf data frame |
| ensureDate | Ensure that x is a Date |
| ensureDate-method | Ensure that x is a Date |
| ffStack | Merge a data.frame into an ffdf data.frame-alike |
| ffStack-method | Merge a data.frame into an ffdf data.frame-alike |
| find_min_vmode | Find minimum vmode for non-ff x |
| matrixIntegrate | Integrate matrices based on their dim names |
| padNA | Add a length of NAs before or after x (used in Stacking) |
| Stack | Stack Combine data frames with column names that do not completely intersect |
| vecEqual | Test equality and order of a vector |
| vectorIntegrate | Integrate characters with careful ordering of result |