Last updated: 2022-08-17

Checks: 6 1

Knit directory: schoolsout/

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File Version Author Date Message
Rmd 2702044 Jake Hughey 2022-08-17 again.
html 5d8c8de Jake Hughey 2022-08-17 Build site.
html c9d37eb Jake Hughey 2022-08-17 still trying.
html 5a451bd Jake Hughey 2022-08-17 updated ubuntu version.
Rmd bd34143 Jake Hughey 2022-08-17 updated main analysis.
html bd34143 Jake Hughey 2022-08-17 updated main analysis.
Rmd a6c4acb Jake Hughey 2022-08-17 added analysis file.

Load packages and data.

library('broom')
library('cowplot')
library('data.table')
library('ggplot2')
library('haven')
library('huxtable')

Attaching package: 'huxtable'
The following object is masked from 'package:ggplot2':

    theme_grey
theme_set(
  theme_bw() +
    theme(axis.text = element_text(color = 'black'),
          panel.grid.minor = element_blank(),
          legend.margin = margin(t = 0, r = 0, b = 0, l = 0, unit = 'cm')))

dataDir = 'data'

dOrig = setDT(read_dta(file.path(dataDir, 'master.dta')))

Melt data.table to long format, scale outcomes by standard deviation of the control group, and rename stuff.

outcomes = data.table(
  level = c('average_level', 'place_value_correct', 'operation_frac_correct'),
  label = c('Average level', 'Place value', 'Fractions'))

dMelt = melt(
  dOrig,
  id.vars = c('unique_id', 'treatment', 'treat_pool', 'treat_target', 'tarl_prev'),
  measure.vars = outcomes$level, variable.name = 'outcome_name',
  value.name = 'outcome_value', variable.factor = FALSE)

dMelt[
  , outcome_value := outcome_value / sd(outcome_value[treatment == 0], na.rm = TRUE),
  by = outcome_name]

dMelt[, outcome_name := factor(outcome_name, outcomes$level, outcomes$label)]

for (j in c('treat_pool', 'treat_target')) {
  a = attr(dOrig[[j]], 'labels')
  dMelt[, x := factor(x, a, names(a)), env = list(x = j)]}

Run linear regression on each outcome (although a couple are binary) for both codings of treatment variable. lm() automatically removes missing values.

dFitPool = dMelt[
  , .(treat_type = 'pool',
      fit = list(lm(outcome_value ~ treat_pool + tarl_prev, data = .SD))),
  keyby = outcome_name]

dFitTarget = dMelt[
  , .(treat_type = 'target',
      fit = list(lm(outcome_value ~ treat_target + tarl_prev, data = .SD))),
  keyby = outcome_name]

dFit = rbind(dFitPool, dFitTarget)
dTidy = dFit[, tidy(fit[[1L]], conf.int = TRUE), by = .(treat_type, outcome_name)]

dTidy[, term := factor(
  term,
  c('(Intercept)', 'treat_poolSMS Only', 'treat_poolPhone + SMS',
    'treat_targetNot Targeted', 'treat_targetTargeted', 'tarl_prev'),
  c('Intercept', 'SMS Only', 'Phone + SMS', 'Not Targeted', 'Targeted', 'Previous TARL'))]
dSummary = dMelt[
  treatment == 0,
  .(mean_control_outcome = mean(outcome_value, na.rm = TRUE)),
  keyby = outcome_name]

Plot coefficients.

p = ggplot(dTidy[!(term %in% c('Intercept', 'Previous TARL'))]) +
  geom_hline(yintercept = 0, color = 'gray', linetype = 'dashed') +
  geom_point(
    aes(x = term, y = estimate, color = outcome_name, shape = outcome_name),
    position = position_dodge(width = 0.5), size = 3) +
  geom_linerange(
    aes(x = term, ymin = conf.low, ymax = conf.high, color = outcome_name),
    position = position_dodge(width = 0.5), size = 1, alpha = 0.5) +
  labs(x = 'Treatment', y = 'Learning gains (in standard deviations)',
       color = 'Outcome', shape = 'Outcome') +
  scale_color_brewer(palette = 'Set2')
p

fits = dFit[treat_type == 'pool']$fit
names(fits) = dFit[treat_type == 'pool']$outcome_name

huxreg(
  fits, ci_level = 0.95,
  error_format = "({std.error})\n[{p.value}]\n{{{conf.low}, {conf.high}}}",
  coefs = c('SMS Only' = 'treat_poolSMS Only', 'Phone + SMS' = 'treat_poolPhone + SMS'),
  statistics = c('Observations' = 'nobs'))
Average levelPlace valueFractions
SMS Only0.024   0.009  0.047 
(0.046)
[0.600]
{-0.066, 0.114}  		(0.044)
[0.833]
{-0.078, 0.096} 		(0.046)
[0.305]
{-0.043, 0.136}
Phone + SMS0.121 **0.114 *0.075 
(0.046)
[0.008]
{0.031, 0.210}  		(0.044)
[0.010]
{0.027, 0.201} 		(0.046)
[0.099]
{-0.014, 0.165}
Observations2815       2881      2751     
*** p < 0.001; ** p < 0.01; * p < 0.05.
fits = dFit[treat_type == 'target']$fit
names(fits) = dFit[treat_type == 'target']$outcome_name

huxreg(
  fits, ci_level = 0.95,
  error_format = "({std.error})\n[{p.value}]\n{{{conf.low}, {conf.high}}}",
  coefs = c('Not Targeted' = 'treat_targetNot Targeted', 'Targeted' = 'treat_targetTargeted'),
  statistics = c('Observations' = 'nobs'))
Average levelPlace valueFractions
Not Targeted0.070 0.026  0.029  
(0.046)
[0.127]
{-0.020, 0.159}		(0.044)
[0.564]
{-0.061, 0.113} 		(0.046)
[0.521]
{-0.060, 0.119} 
Targeted0.076 0.098 *0.093 *
(0.046)
[0.099]
{-0.014, 0.165}		(0.044)
[0.027]
{0.011, 0.185} 		(0.046)
[0.042]
{0.003, 0.182} 
Observations2815     2881      2751      
*** p < 0.001; ** p < 0.01; * p < 0.05.

sessionInfo()
R version 4.2.1 (2022-06-23)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Big Sur ... 10.16

Matrix products: default
BLAS:   /Library/Frameworks/R.framework/Versions/4.2/Resources/lib/libRblas.0.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/4.2/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] huxtable_5.5.0    haven_2.5.0       ggplot2_3.3.6     data.table_1.14.3
[5] cowplot_1.1.1     broom_1.0.0       workflowr_1.7.0  

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.9         tidyr_1.2.0        getPass_0.2-2      ps_1.7.1          
 [5] assertthat_0.2.1   rprojroot_2.0.3    digest_0.6.29      utf8_1.2.2        
 [9] R6_2.5.1           backports_1.4.1    evaluate_0.16      httr_1.4.3        
[13] highr_0.9          pillar_1.8.0       rlang_1.0.4        rstudioapi_0.13   
[17] whisker_0.4        callr_3.7.1        jquerylib_0.1.4    rmarkdown_2.14    
[21] labeling_0.4.2     readr_2.1.2        stringr_1.4.0      munsell_0.5.0     
[25] compiler_4.2.1     httpuv_1.6.5       xfun_0.32          pkgconfig_2.0.3   
[29] htmltools_0.5.3    tidyselect_1.1.2   tibble_3.1.8       fansi_1.0.3       
[33] crayon_1.5.1       dplyr_1.0.9        tzdb_0.3.0         withr_2.5.0       
[37] later_1.3.0        commonmark_1.8.0   grid_4.2.1         jsonlite_1.8.0    
[41] gtable_0.3.0       lifecycle_1.0.1    DBI_1.1.3          git2r_0.30.1      
[45] magrittr_2.0.3     scales_1.2.0       cli_3.3.0          stringi_1.7.8     
[49] cachem_1.0.6       farver_2.1.1       fs_1.5.2           promises_1.2.0.1  
[53] bslib_0.4.0        ellipsis_0.3.2     generics_0.1.3     vctrs_0.4.1       
[57] RColorBrewer_1.1-3 tools_4.2.1        forcats_0.5.1      glue_1.6.2        
[61] purrr_0.3.4        hms_1.1.1          processx_3.7.0     fastmap_1.1.0     
[65] yaml_2.3.5         colorspace_2.0-3   knitr_1.39         sass_0.4.2