- compare two subgroups: (clustid 01 & partition 012356) versus the rest (`subgroup_other`) - see [[231215_104508 user partitions and narrative clusters v2|results for user partitions and narrative clusters v2]] ```r # n_users: 17491 # note: 154114 users retweeted at least 1 bad tweet # note: 399126 users were in Ed's partitions # note: included only users who retweeted during the campaign subgroup_other n 1: 0 4359 # subgroup of interest: clust 01 & partition 012356 2: 1 13132 # other subgroups: clust 00,02,03,04 & partition 47 ``` ```r # linear probability model > feols(t1bin ~ conditionC * (t0binSC + subgroup_other), d2, cluster = c("block")) OLS estimation, Dep. Var.: t1bin Observations: 122,437 Standard-errors: Clustered (block) Estimate Std. Error t value Pr(>|t|) (Intercept) 0.204796 0.001790 114.379784 < 2.2e-16 *** conditionC -0.008598 0.003398 -2.530004 0.011425 * # effect for ed's subgroup t0binSC 0.134625 0.002442 55.120769 < 2.2e-16 *** subgroup_other 0.080119 0.002422 33.080315 < 2.2e-16 *** conditionC:t0binSC -0.002485 0.004256 -0.583844 0.559342 conditionC:subgroup_other 0.008439 0.004359 1.935917 0.052913 . # treatment effect is less effective for other subgroups --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 RMSE: 0.43373 Adj. R2: 0.034008 ``` Fit models separately to each subgroup. ```r # subgroup of interest > feols(t1bin ~ conditionC * t0binSC | block + day, d2[subgroup_other == 0], cluster = "block") OLS estimation, Dep. Var.: t1bin Observations: 30,513 Fixed-effects: block: 3,234, day: 7 Standard-errors: Clustered (block) Estimate Std. Error t value Pr(>|t|) conditionC -0.013985 0.006181 -2.26273 2.3718e-02 * t0binSC 0.046434 0.006194 7.49672 8.4019e-14 *** conditionC:t0binSC -0.015362 0.010092 -1.52223 1.2805e-01 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 RMSE: 0.359223 Adj. R2: -0.031219 Within R2: 0.001014 # the remaining groups combined > feols(t1bin ~ conditionC * t0binSC | block + day, d2[subgroup_other == 1], cluster = "block") OLS estimation, Dep. Var.: t1bin Observations: 91,924 Fixed-effects: block: 7,022, day: 7 Standard-errors: Clustered (block) Estimate Std. Error t value Pr(>|t|) conditionC 0.000106 0.004984 0.021231 0.98306 t0binSC 0.153595 0.005463 28.113968 < 2.2e-16 *** conditionC:t0binSC -0.003149 0.010210 -0.308426 0.75777 --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 RMSE: 0.418275 Adj. R2: 0.092704 Within R2: 0.009846 ```