I am trying to perform MI with Amelia (R and Amelia are updated to the latest versions). After setting up the variables I received the following error:
noms = c("type", "region", "split_cat", "splinter", "mother", "breakup", "home_winner", "tribe_winner", "support_winner", "opposed", "irregularity", "home_loser", "tribe_loser", "support_loser", "politics_loser", "mobilize_loser", "ethnic_min", "ethnicity_dec_major", "dom_ethnic02", "turn_majority", "contig_border", "TYPE_2")
idvars = c("county_name", "district_11", "regions_67", "district_80", "district_91", "district_96", "district_01", "district_02", "district_06", "district_07")
lgstc = c("mshare", "mshare_county", "cshare_county", "elf02", "eduattain", "literacy", "employee", "pio", "nag_pio", "nag_employee", "pl02", "pi02", "perclit91", "percillit91")
a.out <- amelia(DistrictFormation, m = 5, ts = "wave", cs = "id", polytime = 2, intercs = TRUE,
> str(DistrictFormation)
'data.frame': 474 obs. of 109 variables:
$ id : num 1 1 1 2 2 2 3 3 3 4 ...
$ wave : int 1 2 3 1 2 3 1 2 3 1 ...
$ county_name : chr "BUJUMBA" "BUJUMBA" "BUJUMBA" "KYAMUSWA" ...
$ county_id02 : num 1011 1011 1011 1012 1012 ...
$ region : Factor w/ 4 levels "CENTRAL","EASTERN",..: 1 1 1 1 1 1 1 1 1 1 ...
$ district_11 : chr "KALANGALA" "KALANGALA" "KALANGALA" "KALANGALA" ...
$ regions_67 : chr "MASAKA" "MASAKA" "MASAKA" "MASAKA" ...
$ district_80 : chr "MASAKA" "MASAKA" "MASAKA" "MASAKA" ...
$ district_91 : chr "KALANGALA" "KALANGALA" "KALANGALA" "KALANGALA" ...
$ district_96 : chr "KALANGALA" "KALANGALA" "KALANGALA" "KALANGALA" ...
$ district_01 : chr "KALANGALA" "KALANGALA" "KALANGALA" "KALANGALA" ...
$ district_02 : chr "KALANGALA" "KALANGALA" "KALANGALA" "KALANGALA" ...
$ district_06 : chr "KALANGALA" "KALANGALA" "KALANGALA" "KALANGALA" ...
$ district_07 : chr "KALANGALA" "KALANGALA" "KALANGALA" "KALANGALA" ...
$ ndist80 : num 18 18 18 18 18 18 18 18 18 18 ...
$ ndist91 : num 39 39 39 39 39 39 39 39 39 39 ...
$ ndist02 : num 56 56 56 56 56 56 56 56 56 56 ...
$ ndist06 : num 72 72 72 72 72 72 72 72 72 72 ...
$ ndist07 : num 80 80 80 80 80 80 80 80 80 80 ...
$ ndist11 : num 109 109 109 109 109 109 109 109 109 109 ...
$ n1991 : num 2 2 2 2 2 2 1 1 1 4 ...
$ n1996 : num 2 2 2 2 2 2 1 1 1 4 ...
$ n2001 : num 2 2 2 2 2 2 1 1 1 3 ...
$ n2006 : num 2 2 2 2 2 2 1 1 1 2 ...
$ ncounties : num 2 2 2 2 2 2 1 1 1 4 ...
$ type : chr "COUNTY" "COUNTY" "COUNTY" "COUNTY" ...
$ post_elections : num 2001 2006 2011 2001 2006 ...
$ prev_elections : num 1996 2001 2006 1996 2001 ...
$ split_cat : Factor w/ 3 levels "No Split","Splinter",..: 1 1 1 1 1 1 1 1 1 3 ...
$ splinter : num 0 0 0 0 0 0 0 0 0 0 ...
$ mother : num 0 0 0 0 0 0 0 0 0 1 ...
$ breakup : num 0 0 0 0 0 0 0 0 0 1 ...
$ election_year : int 2001 2006 2011 2001 2006 2011 2001 2006 2011 2001 ...
$ mshare_county : num 0.667 0.539 0.639 0.677 0.535 ...
$ cshare_county : num 0.317 0.403 0.296 0.304 0.421 ...
$ mmargin_county : num 0.343 0.137 0.342 0.365 0.115 ...
$ mshare : num 0.693 0.585 0.689 0.693 0.585 ...
$ mshare_cat : num 0.695 0.622 0.706 0.695 0.622 ...
$ MP_nrm_share : num -999 1 1 -999 0 1 -999 1 1 -999 ...
$ home_winner : int 0 0 0 1 1 1 1 1 1 0 ...
$ tribe_winner : Factor w/ 37 levels "ACHOLI","ALUR",..: 6 6 6 6 6 6 6 6 6 6 ...
$ support_winner : int 0 0 1 1 1 1 1 1 1 1 ...
$ opposed : int 1 1 0 1 1 0 0 1 1 1 ...
$ irregularity : int 0 0 0 0 0 0 0 0 0 0 ...
$ home_loser : int 1 1 0 0 0 0 1 1 1 0 ...
$ tribe_loser : Factor w/ 37 levels "ACHOLI","ALUR",..: 6 6 6 6 6 6 6 13 13 6 ...
$ support_loser : int 1 1 0 0 0 0 0 0 0 0 ...
$ politics_loser : int 0 1 0 0 1 0 0 1 0 1 ...
$ mobilize_loser : int 0 0 0 0 0 0 0 0 0 1 ...
$ county_dec_share : num 0.6 0.4 0.6 0.4 0.6 ...
$ ethnic_min : num 0 0 0 0 0 0 0 0 0 0 ...
$ ethnicity_dec_major : Factor w/ 37 levels "ACHOLI","ALUR",..: 6 6 6 6 6 6 6 6 6 6 ...
$ control_dec_ethnicity: num 1 1 0.8 1 1 ...
$ pop : num 17271 17271 17271 17428 17428 ...
$ dom_ethnic02 : Factor w/ 37 levels "ACHOLI","ALUR",..: 6 6 6 6 6 6 6 6 6 6 ...
$ share_dom_ethnic02 : num 67.7 67.7 67.7 60.2 60.2 ...
$ turn_majority : num 0 0 0 0 0 0 0 0 0 0 ...
$ pop02 : int 17271 17271 17271 17428 17428 17428 229297 229297 229297 137199 ...
$ elf02 : num 0.528 0.528 0.528 0.624 0.624 ...
$ schools_tot_pop : num 0.811 0.811 0.811 0.689 0.689 ...
$ schools_tot : num 14 14 14 12 12 12 260 260 260 170 ...
$ other_tot_pop : num 0.116 0.116 0.116 0 0 ...
$ other_tot : num 2 2 2 0 0 0 1 1 1 1 ...
$ primary_tot_pop : num 0.579 0.579 0.579 0.631 0.631 ...
$ primary_tot : num 10 10 10 11 11 11 229 229 229 142 ...
$ sec_tot_pop : num 0.1158 0.1158 0.1158 0.0574 0.0574 ...
$ sec_tot : num 2 2 2 1 1 1 30 30 30 27 ...
$ gov_primary_pop : num 0.521 0.521 0.521 0.459 0.459 ...
$ gov_primary : num 9 9 9 8 8 8 188 188 188 81 ...
$ gov_sec_pop : num 0.1158 0.1158 0.1158 0.0574 0.0574 ...
$ gov_sec : num 2 2 2 1 1 1 7 7 7 6 ...
$ eduattain : num 0.222 0.222 0.222 0.241 0.241 ...
$ literacy : num 0.818 0.818 0.818 0.826 0.826 ...
$ pl02 : num 0.12 0.12 0.12 0.04 0.04 ...
$ se_po02 : num 1.89 1.89 1.89 0.93 0.93 ...
$ pg02 : int 2 2 2 1 1 1 10 10 10 9 ...
$ se_pg02 : num 0.48 0.48 0.48 0.2 0.2 ...
$ pi02 : num 0.0033 0.0033 0.0033 0.0036 0.0036 ...
$ sepi02 : num 1.14 1.14 1.14 1.63 1.63 ...
$ npoor02 : int 2014 2014 2014 772 772 772 79497 79497 79497 45674 ...
$ se_npoor02 : int 326 326 326 162 162 162 3164 3164 3164 1962 ...
$ elf91 : num 0.43 0.43 0.43 0.458 0.458 ...
$ area : num 2356 2356 2356 6672 6672 ...
$ pop91 : int 7335 7335 7335 6872 6872 6872 132711 132711 132711 105562 ...
$ pl91 : num 0.365 0.365 0.365 0.261 0.261 ...
$ pg91 : num 10.1 10.1 10.1 7.1 7.1 ...
$ gini91 : num 29.9 29.9 29.9 32.6 32.6 ...
$ popdensity91 : num 3.11 3.11 3.11 1.03 1.03 ...
$ censuspop91 : int 9192 9192 9192 7179 7179 7179 141607 141607 141607 108098 ...
$ perclit91 : num 0.711 0.711 0.711 0.729 0.729 ...
$ percillit91 : num 0.289 0.289 0.289 0.271 0.271 ...
$ distance_border : num 81855 81855 81855 94097 94097 ...
$ contig_border : int 0 0 0 0 0 0 0 0 0 0 ...
$ distance_kampala : num 86.6 86.6 86.6 80.2 80.2 ...
$ pio : num 0.668 0.668 0.668 0.704 0.704 ...
$ employee : num 0.358 0.358 0.358 0.393 0.393 ...
$ nag_pio : num 0.249 0.249 0.249 0.15 0.15 ...
$ nag_employee : num 0.1628 0.1628 0.1628 0.0701 0.0701 ...
$ pop_county18 : num 10257 10257 10257 12185 12185 ...
[list output truncated]