search for: year_3_valu

...is a procedure called "line similarity". I use this to determine which observations show a growing, stable or declining pattern... sort of like a mini-regression on the time-line for each observation. So of the input is something like this: Name Year_1_value Year_2_value Year_3_value A 1 2 3 B 2 7 19 C 3 4 2 D 10 7 6 E 4 4 5 F NA 3 6 Then the desired output is as follows: A Growing B Growing C Stable D Declining E Stable F Growing (or NA is also fine) The data can also be unstacked, i.e. the three years could be separate rows if necessary. Is...