93 lines
4.3 KiB
R
93 lines
4.3 KiB
R
library(tidyverse)
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library(plyr)
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#get the contrib data instead
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try(setwd(dirname(rstudioapi::getActiveDocumentContext()$path)))
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contrib_df <- read_csv("../final_data/deb_contrib_did.csv")
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#some preprocessing and expansion
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col_order <- c("upstream_vcs_link", "age_of_project", "event_date", "event_hash", "before_all_ct", "after_all_ct", "before_mrg_ct", "after_mrg_ct", "before_auth_new", "after_auth_new", "before_commit_new", "after_commit_new")
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contrib_df <- contrib_df[,col_order]
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contrib_df$ct_before_all <- str_split(gsub("[][]","", contrib_df$before_all_ct), ", ")
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contrib_df$ct_after_all <- str_split(gsub("[][]","", contrib_df$after_all_ct), ", ")
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contrib_df$ct_before_mrg <- str_split(gsub("[][]","", contrib_df$before_mrg_ct), ", ")
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contrib_df$ct_after_mrg <- str_split(gsub("[][]","", contrib_df$after_mrg_ct), ", ")
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drop <- c("before_all_ct", "before_mrg_ct", "after_all_ct", "after_mrg_ct")
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contrib_df = contrib_df[,!(names(contrib_df) %in% drop)]
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# 2 some expansion needs to happens for each project
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expand_timeseries <- function(project_row) {
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longer <- project_row |>
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pivot_longer(cols = starts_with("ct"),
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names_to = "window",
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values_to = "count") |>
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unnest(count)
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longer$observation_type <- gsub("^.*_", "", longer$window)
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longer <- ddply(longer, "observation_type", transform, week=seq(from=0, by=1, length.out=length(observation_type)))
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longer$count <- as.numeric(longer$count)
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#longer <- longer[which(longer$observation_type == "all"),]
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return(longer)
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}
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expanded_data <- expand_timeseries(contrib_df[1,])
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for (i in 2:nrow(contrib_df)){
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expanded_data <- rbind(expanded_data, expand_timeseries(contrib_df[i,]))
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}
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#filter out the windows of time that we're looking at
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window_num <- 8
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windowed_data <- expanded_data |>
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filter(week >= (27 - window_num) & week <= (27 + window_num)) |>
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mutate(D = ifelse(week > 27, 1, 0))
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#scale the age numbers
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windowed_data$scaled_project_age <- scale(windowed_data$age_of_project)
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windowed_data$week_offset <- windowed_data$week - 27
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#separate out the cleaning d
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all_actions_data <- windowed_data[which(windowed_data$observation_type == "all"),]
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mrg_actions_data <- windowed_data[which(windowed_data$observation_type == "mrg"),]
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#EDA?
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hist(log(all_actions_data$count))
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all_actions_data$logged_count <- log(all_actions_data$count)
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all_actions_data$log1p_count <- log1p(all_actions_data$count)
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# now for merge
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mrg_actions_data$logged_count <- log(mrg_actions_data$count)
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mrg_actions_data$log1p_count <- log1p(mrg_actions_data$count)
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#TKTK ---------------------
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#imports for models
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library(lme4)
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library(optimx)
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library(lattice)
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#models -- TKTK need to be fixed
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all_model <- lmer(log1p_count ~ D * I(week_offset)+ scaled_project_age + (week_offset| upstream_vcs_link), data=all_actions_data, REML=FALSE, control = lmerControl(
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optimizer ='optimx', optCtrl=list(method='L-BFGS-B')))
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summary(all_model)
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#identifying the quartiles of effect for D
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all_model_ranef <- ranef(all_model)
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#d_effect_ranef_all <- all_model_ranef[all_model_ranef$term=="D",]
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#d_effect_ranef_all$quartile <- ntile(d_effect_ranef_all$condval, 4)
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df_ranefs <- as.data.frame(all_model_ranef)
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has_zero <- function(condval, condsd){
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bounds <- condsd * 1.96
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return(ifelse(((condval - bounds) < 0),ifelse(((condval + bounds) > 0), 1, 0), 2))
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}
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df_ranefs <- df_ranefs |>
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mutate(ranef_grouping = has_zero(condval, condsd))
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wo_df_ranef <- df_ranefs[which(df_ranefs$term == "week_offset"),]
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wo_df_ranef <- wo_df_ranef |>
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mutate(rank = rank(condval))
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library(ggplot2)
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wo_df_ranef |>
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ggplot(aes(x=rank, y=condval, col = as.factor(ranef_grouping))) +
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geom_linerange(aes(ymin= condval - (1.96 * condsd), ymax= condval + (1.96 * condsd))) +
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theme_bw()
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#plotting ranefs
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#model residuals
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all_residuals <- residuals(all_model)
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qqnorm(all_residuals)
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# mrg behavior for this
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mrg_model <- lmer(log1p_count ~ D * I(week_offset)+ scaled_project_age + (week_offset | upstream_vcs_link), data=mrg_actions_data, REML=FALSE, control = lmerControl(
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optimizer ='optimx', optCtrl=list(method='L-BFGS-B')))
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summary(mrg_model)
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#identifying the quartiles of effect for D
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mrg_model_ranef <- ranef(mrg_model)
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dotplot(mrg_model_ranef)
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d_effect_ranef_mrg <- mrg_model_ranef[mrg_model_ranef$term=="D",]
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d_effect_ranef_mrg$quartile <- ntile(d_effect_ranef_mrg$condval, 4)
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#merge model residuals
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mrg_residuals <- residuals(mrg_model)
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qqnorm(mrg_residuals) |