diff --git a/workflow/apps/r/joinInteractExps.R b/workflow/apps/r/joinInteractExps.R
index fc85d2ca..65e46187 100644
--- a/workflow/apps/r/joinInteractExps.R
+++ b/workflow/apps/r/joinInteractExps.R
@@ -26,8 +26,8 @@ args <- parse_arguments()
 
 # Create an array for the zscores files
 get_zscores_files <- function(dirs) {
-  files <- sapply(dirs, function(study) {
-    file_path <- file.path(study, "zscores", "zscores_interaction.csv")
+  files <- sapply(dirs, function(exp) {
+    file_path <- file.path(exp, "zscores", "zscores_interaction.csv")
     if (file.exists(file_path)) file_path else NULL
   }, simplify = TRUE, USE.NAMES = FALSE)
   
diff --git a/workflow/apps/r/join_interaction_zscores.R b/workflow/apps/r/join_interaction_zscores.R
new file mode 100644
index 00000000..8343d040
--- /dev/null
+++ b/workflow/apps/r/join_interaction_zscores.R
@@ -0,0 +1,113 @@
+suppressMessages({
+  library("dplyr")
+  library("data.table")
+  library("readr")
+  library("stringr")
+})
+
+# Function to parse arguments
+parse_arguments <- function() {
+  if (interactive()) {
+    args <- c(
+      "/home/bryan/documents/develop/scripts/hartmanlab/workflow/out/20240116_jhartman2_DoxoHLD",
+      3, # sd value
+      "/home/bryan/documents/develop/scripts/hartmanlab/workflow/out/20240116_jhartman2_DoxoHLD/20240822_jhartman2_DoxoHLD/exp1",
+      "Experiment 1: Doxo versus HLD",
+      "/home/bryan/documents/develop/scripts/hartmanlab/workflow/out/20240116_jhartman2_DoxoHLD/20240822_jhartman2_DoxoHLD/exp2",
+      "Experiment 2: HLD versus Doxo"
+    )
+  } else {
+    args <- commandArgs(trailingOnly = TRUE)
+  }
+
+  out_dir <- normalizePath(args[1], mustWork = FALSE)
+  sd <- as.numeric(args[2])
+  paths <- normalizePath(args[seq(3, length(args), by = 2)], mustWork = FALSE)
+  names <- args[seq(4, length(args), by = 2)]
+  experiments <- setNames(paths, names)
+
+  list(
+    out_dir = out_dir,
+    sd = sd,
+    experiments = experiments
+  )
+}
+
+args <- parse_arguments()
+
+# Ensure main output directory exists
+dir.create(args$out_dir, showWarnings = FALSE, recursive = TRUE)
+
+# Function to read and combine z-score interaction files
+combine_zscores <- function(experiments, out_dir) {
+  combined_data <- lapply(names(experiments), function(exp_name) {
+    exp_dir <- experiments[[exp_name]]
+    zscore_file <- file.path(exp_dir, "zscores", "zscores_interaction.csv")
+
+    if (!file.exists(zscore_file)) {
+      stop("Z-score file does not exist for ", exp_name, " at ", zscore_file)
+    }
+
+    message("Reading z-score file for ", exp_name, " from ", zscore_file)
+    data <- fread(zscore_file)
+    data$Experiment <- exp_name
+
+    return(data)
+  }) %>%
+    bind_rows()
+
+  combined_output_file <- file.path(out_dir, "combined_zscores.csv")
+  fwrite(combined_data, combined_output_file, row.names = FALSE)
+
+  message("Combined z-score file saved to: ", combined_output_file)
+}
+
+# Function to read and combine summary statistics files
+combine_summary_stats <- function(experiments, out_dir) {
+  combined_stats <- lapply(names(experiments), function(exp_name) {
+    exp_dir <- experiments[[exp_name]]
+    summary_file <- file.path(exp_dir, "zscores", "summary_stats_all_strains.csv")
+
+    if (!file.exists(summary_file)) {
+      stop("Summary stats file does not exist for ", exp_name, " at ", summary_file)
+    }
+
+    message("Reading summary stats file for ", exp_name, " from ", summary_file)
+    data <- fread(summary_file)
+    data$Experiment <- exp_name
+
+    return(data)
+  }) %>%
+    bind_rows()
+
+  combined_output_file <- file.path(out_dir, "combined_summary_stats.csv")
+  fwrite(combined_stats, combined_output_file, row.names = FALSE)
+
+  message("Combined summary stats file saved to: ", combined_output_file)
+}
+
+# Function to generate final summary report
+generate_final_report <- function(out_dir) {
+  combined_zscores <- file.path(out_dir, "combined_zscores.csv")
+  combined_stats <- file.path(out_dir, "combined_summary_stats.csv")
+
+  if (!file.exists(combined_zscores) || !file.exists(combined_stats)) {
+    stop("Combined z-scores or summary stats files do not exist.")
+  }
+
+  zscores_data <- fread(combined_zscores)
+  stats_data <- fread(combined_stats)
+
+  message("Merging z-score and summary stats data...")
+  final_report <- merge(zscores_data, stats_data, by = c("OrfRep", "Experiment"), all = TRUE, allow.cartesian = TRUE)
+
+  final_report_file <- file.path(out_dir, "final_combined_report.csv")
+  fwrite(final_report, final_report_file, row.names = FALSE)
+
+  message("Final combined report saved to: ", final_report_file)
+}
+
+# Process all experiments and generate outputs
+combine_zscores(args$experiments, args$out_dir)
+combine_summary_stats(args$experiments, args$out_dir)
+generate_final_report(args$out_dir)
diff --git a/workflow/qhtcp-workflow b/workflow/qhtcp-workflow
index 5683d036..0e4962c4 100755
--- a/workflow/qhtcp-workflow
+++ b/workflow/qhtcp-workflow
@@ -1296,6 +1296,7 @@ qhtcp() {
 
   # Run R interactions script on all studies
   calculate_interaction_zscores \
+  && join_interaction_zscores \
   && remc \
   && gtf \
   && gta
@@ -1316,7 +1317,6 @@ remc() {
 
   # If any wrappers fail the rest will not run, this is fundamental to module design
   # Remove leading && to run regardless
-  #r_join_interactions \
   java_extract \
   && r_add_shift_values \
   && r_create_heat_maps \
@@ -1522,7 +1522,50 @@ calculate_interaction_zscores() {
     "${EXP_PATHS_AND_NAMES[@]}"
 
   [[ -f "$out_path/zscores_interaction.csv" ]] || (echo "$out_path/zscores_interaction.csv does not exist"; return 1)
-  ((DEBUG)) && declare -p && exit # when the going gets rough
+}
+
+
+wrapper join_interaction_zscores
+# shellcheck disable=SC2120
+# @description JoinInteractExps3dev.R creates REMcRdy_lm_only.csv and Shift_only.csv
+#
+# TODO
+#
+# * Needs more loops to reduce verbosity
+#
+# INPUT
+#
+# * /out/PROJECT/STUDY/exp#/zscores/zscores_interaction.csv
+#
+# OUTPUT
+#
+# * combined_zscores.csv (REMcRdy_lm_only.csv)
+# * combined_summary_stats (Shift_only.csv)
+# * final_combined_report (parameters.csv)
+#
+# @arg $1 string output directory
+# @arg $2 string sd value (default: 2)
+# @arg $3 array pairs of experiment paths and names
+join_interaction_zscores() {
+  debug "Running: ${FUNCNAME[0]} $*"
+  declare script="$APPS_DIR/r/join_interaction_zscores.R"
+  declare -a out_files=(
+    "${1:-$STUDY_RESULTS_DIR}/combined_zscores.csv"
+    "${1:-$STUDY_RESULTS_DIR}/combined_summary_stats.csv" 
+    "${1:-$STUDY_RESULTS_DIR}/final_combined_report.csv"
+  )
+
+  # ((DEBUG)) && declare -p # when the going gets tough
+  
+  execute "$RSCRIPT" "$script" \
+    "${1:-$STUDY_RESULTS_DIR}" \
+    "${2:-2}" \
+    "${@:3:}" \
+    "${EXP_PATHS_AND_NAMES[@]}"
+
+  for f in "${out_files[@]}"; do
+    [[ -f $f ]] || (echo "$f does not exist"; return 1)
+  done
 }
 
 
@@ -1671,52 +1714,6 @@ r_gta_heatmaps() {
 }
 
 
-# wrapper r_join_interactions
-# # shellcheck disable=SC2120
-# # @description JoinInteractExps3dev.R creates REMcRdy_lm_only.csv and Shift_only.csv
-# #
-# # TODO
-# #
-# # * Needs more loops to reduce verbosity
-# #
-# # INPUT
-# #
-# # * study info file
-# # * /out/PROJECT/STUDY/exp#/zscores/zscores_interaction.csv
-# #
-# # OUTPUT
-# #
-# # * REMcRdy_lm_only.csv
-# # * Shift_only.csv
-# # * parameters.csv
-# #
-# # @arg $1 string output directory (required)
-# # @arg $2 string sd value (default: 2) (required)
-# # @arg $3 string study info file (required)
-# # @arg $4 array studies (required) 
-# r_join_interactions() {
-#   debug "Running: ${FUNCNAME[0]} $*"
-#   declare script="$APPS_DIR/r/joinInteractExps.R"
-#   declare -a out_files=(
-#     "${1:-$STUDY_RESULTS_DIR}/REMcRdy_lm_only.csv"
-#     "${1:-$STUDY_RESULTS_DIR}/Shift_only.csv" 
-#     "${1:-$STUDY_RESULTS_DIR}/parameters.csv"
-#   )
-
-#   # ((DEBUG)) && declare -p # when the going gets tough
-  
-#   execute "$RSCRIPT" "$script" \
-#     "${1:-$STUDY_RESULTS_DIR}" \
-#     "${2:-2}" \
-#     "${3:-$STUDY_INFO_FILE}" \
-#     "${@:4:-${EXP_PATHS[@]}}"
-
-#   for f in "${out_files[@]}"; do
-#     [[ -f $f ]] || (echo "$f does not exist"; return 1)
-#   done
-# }
-
-
 wrapper java_extract
 # shellcheck disable=SC2120
 # @description Jingyu's REMc java utility
@@ -1727,14 +1724,14 @@ wrapper java_extract
 #
 # INPUT
 #
-# * REMcRdy_lm_only.csv
+# * study_dir/combined_zscores.csv (REMcRdy_lm_only.csv)
 #
 # OUTPUT
 #
-# * REMcRdy_lm_only.csv-finalTable.csv
+# * study_dir/combined_zscores_final.csv (REMcRdy_lm_only.csv-finalTable.csv)
 #
 # @arg $1 string output directory
-# @arg $2 string REMcRdy_lm_only.csv
+# @arg $2 string combined_zscores.csv
 # @arg $3 string GeneByGOAttributeMatrix_nofiltering-2009Dec07.tab
 # @arg $4 string ORF_List_Without_DAmPs.txt
 # @exitcode 0 if expected output file exists
@@ -1743,14 +1740,14 @@ java_extract() {
   debug "Running: ${FUNCNAME[0]}"
   classpath="$APPS_DIR/java/weka-clustering/weka-clustering.jar"
 
-  output_file="${1:-$STUDY_RESULTS_DIR}/REMcRdy_lm_only.csv-finalTable.csv"
+  output_file="${1:-$STUDY_RESULTS_DIR}/combined_zscores_final.csv"
 
   [[ -f $output_file ]] && backup "$output_file"
   
   java_cmd=(
     "$JAVA" -Xms512m -Xmx2048m -Dfile.encoding=UTF-8
     -classpath "$classpath" ExecMain
-    "${2:-"$STUDY_RESULTS_DIR/REMcRdy_lm_only.csv"}"
+    "${2:-"$STUDY_RESULTS_DIR/combined_zscores.csv"}"
     "${3:-"$APPS_DIR/java/GeneByGOAttributeMatrix_nofiltering-2009Dec07.tab"}"
     "${4:-"$APPS_DIR/java/ORF_List_Without_DAmPs.txt"}"
     1
@@ -2297,9 +2294,9 @@ main() {
 
   # Sanitize wrappers
   for i in "${!WRAPPERS[@]}"; do
-    IFS=',' read -ra args <<< "$wrapper" # load the wrapper and args
+    IFS=',' read -ra args <<< "${WRAPPERS[$i]}" # load the wrapper and args
     if ! [[ " ${ALL_WRAPPERS[*]} " =~ [[:space:]]${args[0]}[[:space:]] ]]; then
-      echo "Wrapper ${WRAPPERS[$i]} is not available, removing"
+      echo "Wrapper ${args[0]} is not available, removing"
       unset "WRAPPERS[$i]"
     fi
   done