Removed statistics page.

hs/Makefile

@@ -1,8 +0,0 @@
-statistics:
-	./agda-count
-
-compile:
-	ghc -o agda-count agda-count.hs
-
-clean:
-	rm *.hi *.o

hs/agda-count.hs

@@ -1,79 +0,0 @@
-import Prelude
-
-prefix :: Eq a => [a] -> [a] -> Bool
-prefix xs ys  =  take (length xs) ys == xs
-
-test0 :: Bool
-test0 =  prefix "abc" "abcde" &&
-         prefix "abc" "abc"   &&
-         not (prefix "abc" "ab")
-
-strip :: (a -> Bool) -> (a -> Bool) -> [a] -> [[a]]
-strip b e []  =  []
-strip b e xs  =
-  let  us = (drop 1 . dropWhile (not . b)) xs  in
-  let  vs = takeWhile (not . e) us  in
-  let  ws = (drop 1 . dropWhile (not . e)) us  in
-  vs : strip b e ws
-
-ex1 = "xbyexxbyyexxxbyyyexxxx"
-
-test1 :: Bool
-test1 =  strip (== 'b') (== 'e') ex1 == ["y","yy","yyy",""]
-
-test2 :: Bool
-test2 =  (sum . map length . strip (== 'b') (== 'e')) ex1 == 6
-
-nonblank :: String -> Bool
-nonblank =  not . all (== ' ')
-
-count :: [[String]] -> Int
-count =  sum . map length . map (filter nonblank)
-
-agda :: String -> Int
-agda =  count . strip begin end . lines
-  where
-  begin  =  prefix "\\begin{code}"
-  end    =  prefix "\\end{code}"
-
-wc :: String -> Int
-wc =  length . lines
-
-type Name = String
-
-info :: String -> (Int, Int)
-info xs = (wc xs, agda xs)
-
-pad :: Int -> String -> String
-pad n s  =  take n (s ++ repeat ' ')
-
-rjust :: Int -> String -> String
-rjust n = reverse . pad n . reverse
-
-format :: Name -> (Int, Int) -> String
-format name (wc, ag) =
-  (replicate 4 ' ' ++
-   pad 28 name ++
-   rjust 4 (show wc) ++
-   replicate 4 ' ' ++
-   rjust 4 (show ag))
-
-process :: Name -> IO String
-process "--"  =  return ""
-process name  =
-  do xs <- readFile (pre ++ name ++ post)
-     return (format name (info xs))
-  where
-  pre  = "../src/plfa/"
-  post = ".lagda"
-
-header :: String
-header =
-  unlines
-    ["                                total   code",
-     "                                -----   ----"]
-main :: IO ()
-main =
-  do config <- readFile "config.txt"
-     content <- sequence (map process (lines config))
-     putStrLn (header ++ unlines content)

hs/config.txt

@@ -1,24 +0,0 @@
-Preface
---
-Naturals
-Induction
-Relations
-Equality
-Isomorphism
-Connectives
-Negation
-Quantifiers
-Decidable
-Lists
---
-Lambda
-Properties
-DeBruijn
-More
-Bisimulation
-Inference
-Untyped
---
-Acknowledgements
-Fonts
-Statistics

index.md

@@ -58,7 +58,6 @@ Pull requests are encouraged.
 
   - [Acknowledgements]({{ site.baseurl }}/Acknowledgements/)
   - [Fonts]({{ site.baseurl }}/Fonts/): Test page for fonts
-  - [Statistics]({{ site.baseurl }}/Statistics/): Line counts for each chapter
 
 ## Related
 

src/plfa/Fonts.lagda.md

@@ -3,14 +3,13 @@ title     : "Fonts"
 layout    : page
 prev      : /Acknowledgements/
 permalink : /Fonts/
-next      : /Statistics/
 ---
 
 ```
 module plfa.Fonts where
 ```
 
-Test page for fonts. Preferably, all vertical bars should line up.
+Preferably, all vertical bars should line up.
 
 ```
 {-

src/plfa/statistics.md

@@ -1,36 +0,0 @@
----
-title     : "Statistics: Line counts for each chapter"
-layout    : page
-prev      : /Fonts/
-permalink : /Statistics/
----
-
-Total number of lines and number of lines of Agda code in each chapter
-(as of 16 March 2019).
-
-                                total   code
-                                -----   ----
-    Preface                      110       0
-
-    Naturals                     975      96
-    Induction                    926     129
-    Relations                    792     158
-    Equality                     722     189
-    Isomorphism                  505     209
-    Connectives                  787     219
-    Negation                     417      65
-    Quantifiers                  469     104
-    Decidable                    587     167
-    Lists                       1052     448
-
-    Lambda                      1385     362
-    Properties                  1580     544
-    DeBruijn                    1366     587
-    More                        1222     464
-    Bisimulation                 486      96
-    Inference                   1124     333
-    Untyped                      777     299
-
-    Acknowledgements              55       0
-    Fonts                         82      64
-    Statistics                    36       0