diff --git a/global.R b/global.R
index 60a5fb0..b3b3292 100644
--- a/global.R
+++ b/global.R
@@ -1,7 +1,12 @@
 library(plotly)
 library(shiny)
 library(shinyjs)
-library(tidyverse)
+library(dplyr)
+library(ggplot2)
+library(readr)
+library(stringr)
+library(tibble)
+library(tidyr)
 library(plm)
 library(lmtest)
 library(cluster)
diff --git a/renv.lock b/renv.lock
index 2456221..6ac7bff 100644
--- a/renv.lock
+++ b/renv.lock
@@ -9,17 +9,6 @@
     ]
   },
   "Packages": {
-    "DBI": {
-      "Package": "DBI",
-      "Version": "1.2.2",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "methods"
-      ],
-      "Hash": "164809cd72e1d5160b4cb3aa57f510fe"
-    },
     "DEoptimR": {
       "Package": "DEoptimR",
       "Version": "1.2-0",
@@ -31,22 +20,6 @@
       ],
       "Hash": "a8e244d9f7dc549491f10ab82b9ccc22"
     },
-    "DT": {
-      "Package": "DT",
-      "Version": "0.23",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "crosstalk",
-        "htmltools",
-        "htmlwidgets",
-        "jquerylib",
-        "jsonlite",
-        "magrittr",
-        "promises"
-      ],
-      "Hash": "d8f1498dc47763ce4647c8d03214d30b"
-    },
     "Formula": {
       "Package": "Formula",
       "Version": "1.2-5",
@@ -200,18 +173,6 @@
       ],
       "Hash": "9fe98599ca456d6552421db0d6772d8f"
     },
-    "blob": {
-      "Package": "blob",
-      "Version": "1.2.3",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "methods",
-        "rlang",
-        "vctrs"
-      ],
-      "Hash": "10d231579bc9c06ab1c320618808d4ff"
-    },
     "broom": {
       "Package": "broom",
       "Version": "1.0.6",
@@ -261,31 +222,6 @@
       ],
       "Hash": "648c5b3d71e6a37e3043617489a0a0e9"
     },
-    "callr": {
-      "Package": "callr",
-      "Version": "3.7.6",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "R6",
-        "processx",
-        "utils"
-      ],
-      "Hash": "d7e13f49c19103ece9e58ad2d83a7354"
-    },
-    "cellranger": {
-      "Package": "cellranger",
-      "Version": "1.1.0",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "rematch",
-        "tibble"
-      ],
-      "Hash": "f61dbaec772ccd2e17705c1e872e9e7c"
-    },
     "class": {
       "Package": "class",
       "Version": "7.3-22",
@@ -422,34 +358,6 @@
       ],
       "Hash": "1d991cd6160fa7b1fdbd3689034cbd15"
     },
-    "dbplyr": {
-      "Package": "dbplyr",
-      "Version": "2.5.0",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "DBI",
-        "R",
-        "R6",
-        "blob",
-        "cli",
-        "dplyr",
-        "glue",
-        "lifecycle",
-        "magrittr",
-        "methods",
-        "pillar",
-        "purrr",
-        "rlang",
-        "tibble",
-        "tidyr",
-        "tidyselect",
-        "utils",
-        "vctrs",
-        "withr"
-      ],
-      "Hash": "39b2e002522bfd258039ee4e889e0fd1"
-    },
     "digest": {
       "Package": "digest",
       "Version": "0.6.37",
@@ -495,26 +403,6 @@
       ],
       "Hash": "fedd9d00c2944ff00a0e2696ccf048ec"
     },
-    "dtplyr": {
-      "Package": "dtplyr",
-      "Version": "1.2.1",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "crayon",
-        "data.table",
-        "dplyr",
-        "ellipsis",
-        "glue",
-        "lifecycle",
-        "rlang",
-        "tibble",
-        "tidyselect",
-        "vctrs"
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-      "Hash": "f5d195cd5fcc0a77499d9da698ef2ea3"
-    },
     "ellipsis": {
       "Package": "ellipsis",
       "Version": "0.3.2",
@@ -595,20 +483,6 @@
       ],
       "Hash": "c2efdd5f0bcd1ea861c2d4e2a883a67d"
     },
-    "forcats": {
-      "Package": "forcats",
-      "Version": "0.5.1",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
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-        "magrittr",
-        "rlang",
-        "tibble"
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-      "Hash": "81c3244cab67468aac4c60550832655d"
-    },
     "fpc": {
       "Package": "fpc",
       "Version": "2.2-14",
@@ -645,27 +519,6 @@
       ],
       "Hash": "7c89603d81793f0d5486d91ab1fc6f1d"
     },
-    "gargle": {
-      "Package": "gargle",
-      "Version": "1.2.0",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "cli",
-        "fs",
-        "glue",
-        "httr",
-        "jsonlite",
-        "rappdirs",
-        "rlang",
-        "rstudioapi",
-        "stats",
-        "utils",
-        "withr"
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-      "Hash": "9d234e6a87a6f8181792de6dc4a00e39"
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     "generics": {
       "Package": "generics",
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@@ -713,57 +566,6 @@
       ],
       "Hash": "4f2596dfb05dac67b9dc558e5c6fba2e"
     },
-    "googledrive": {
-      "Package": "googledrive",
-      "Version": "2.0.0",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "cli",
-        "gargle",
-        "glue",
-        "httr",
-        "jsonlite",
-        "lifecycle",
-        "magrittr",
-        "pillar",
-        "purrr",
-        "rlang",
-        "tibble",
-        "utils",
-        "uuid",
-        "vctrs",
-        "withr"
-      ],
-      "Hash": "c3a25adbbfbb03f12e6f88c5fb1f3024"
-    },
-    "googlesheets4": {
-      "Package": "googlesheets4",
-      "Version": "1.0.0",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "cellranger",
-        "cli",
-        "curl",
-        "gargle",
-        "glue",
-        "googledrive",
-        "httr",
-        "ids",
-        "magrittr",
-        "methods",
-        "purrr",
-        "rematch2",
-        "rlang",
-        "tibble",
-        "utils",
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-      "Hash": "9a6564184dc4a81daea4f1d7ce357c6a"
-    },
     "gtable": {
       "Package": "gtable",
       "Version": "0.3.0",
@@ -775,27 +577,6 @@
       ],
       "Hash": "ac5c6baf7822ce8732b343f14c072c4d"
     },
-    "haven": {
-      "Package": "haven",
-      "Version": "2.5.4",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "cli",
-        "cpp11",
-        "forcats",
-        "hms",
-        "lifecycle",
-        "methods",
-        "readr",
-        "rlang",
-        "tibble",
-        "tidyselect",
-        "vctrs"
-      ],
-      "Hash": "9171f898db9d9c4c1b2c745adc2c1ef1"
-    },
     "highr": {
       "Package": "highr",
       "Version": "0.11",
@@ -883,17 +664,6 @@
       ],
       "Hash": "88d1b310583777edf01ccd1216fb0b2b"
     },
-    "ids": {
-      "Package": "ids",
-      "Version": "1.0.1",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "openssl",
-        "uuid"
-      ],
-      "Hash": "99df65cfef20e525ed38c3d2577f7190"
-    },
     "isoband": {
       "Package": "isoband",
       "Version": "0.2.5",
@@ -1028,19 +798,6 @@
       ],
       "Hash": "c6fafa6cccb1e1dfe7f7d122efd6e6a7"
     },
-    "lubridate": {
-      "Package": "lubridate",
-      "Version": "1.8.0",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "cpp11",
-        "generics",
-        "methods"
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-      "Hash": "2ff5eedb6ee38fb1b81205c73be1be5a"
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     "magrittr": {
       "Package": "magrittr",
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@@ -1128,24 +885,6 @@
       ],
       "Hash": "9ddb7691fe8da52f0fc8cfc99e30fb32"
     },
-    "modelr": {
-      "Package": "modelr",
-      "Version": "0.1.8",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "broom",
-        "magrittr",
-        "purrr",
-        "rlang",
-        "tibble",
-        "tidyr",
-        "tidyselect",
-        "vctrs"
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-      "Hash": "9fd59716311ee82cba83dc2826fc5577"
-    },
     "modeltools": {
       "Package": "modeltools",
       "Version": "0.2-24",
@@ -1305,19 +1044,6 @@
       "Repository": "RSPM",
       "Hash": "95ef9167b75dde9d2ccc3c7528393e7e"
     },
-    "processx": {
-      "Package": "processx",
-      "Version": "3.8.4",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "R6",
-        "ps",
-        "utils"
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-      "Hash": "0c90a7d71988856bad2a2a45dd871bb9"
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     "progress": {
       "Package": "progress",
       "Version": "1.2.2",
@@ -1346,17 +1072,6 @@
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       "Hash": "4ab2c43adb4d4699cf3690acd378d75d"
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-    "ps": {
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-      "Version": "1.9.1",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
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-        "utils"
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-      "Hash": "093688087b0bacce6ba2f661f36328e2"
-    },
     "purrr": {
       "Package": "purrr",
       "Version": "1.0.2",
@@ -1417,38 +1132,6 @@
       ],
       "Hash": "9c59de1357dc209868b5feb5c9f0fe2f"
     },
-    "readxl": {
-      "Package": "readxl",
-      "Version": "1.4.0",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "cellranger",
-        "cpp11",
-        "progress",
-        "tibble",
-        "utils"
-      ],
-      "Hash": "170c35f745563bb307e963bde0197e4f"
-    },
-    "rematch": {
-      "Package": "rematch",
-      "Version": "1.0.1",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Hash": "c66b930d20bb6d858cd18e1cebcfae5c"
-    },
-    "rematch2": {
-      "Package": "rematch2",
-      "Version": "2.1.2",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
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     "renv": {
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       "Version": "1.0.7",
@@ -1459,27 +1142,6 @@
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     },
-    "reprex": {
-      "Package": "reprex",
-      "Version": "2.0.1",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "callr",
-        "cli",
-        "clipr",
-        "fs",
-        "glue",
-        "knitr",
-        "rlang",
-        "rmarkdown",
-        "rstudioapi",
-        "utils",
-        "withr"
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-      "Hash": "911d101becedc0fde495bd910984bdc8"
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     "rlang": {
       "Package": "rlang",
       "Version": "1.1.3",
@@ -1529,30 +1191,6 @@
       ],
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-      "Repository": "CRAN",
-      "Hash": "96710351d642b70e8f02ddeb237c46a7"
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-      "Version": "1.0.2",
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-      "Repository": "RSPM",
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-        "selectr",
-        "tibble",
-        "xml2"
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-      "Hash": "bb099886deffecd6f9b298b7d4492943"
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     "sandwich": {
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       "Version": "3.1-2",
@@ -1600,19 +1238,6 @@
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       "Hash": "c19df082ba346b0ffa6f833e92de34d1"
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-    "selectr": {
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-      "Version": "0.4-2",
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-      "Repository": "RSPM",
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     "shiny": {
       "Package": "shiny",
       "Version": "1.8.1.1",
@@ -1764,45 +1389,6 @@
       ],
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-        "dbplyr",
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-        "dtplyr",
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-        "haven",
-        "hms",
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-        "readr",
-        "readxl",
-        "reprex",
-        "rlang",
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-      "Hash": "972389aea7fa1a34739054a810d0c6f6"
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@@ -1834,16 +1420,6 @@
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     "vctrs": {
       "Package": "vctrs",
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@@ -1920,17 +1496,6 @@
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