diff --git a/analysis/advanced.py b/analysis/advanced.py
new file mode 100644
index 0000000..d08d7fd
--- /dev/null
+++ b/analysis/advanced.py
@@ -0,0 +1,75 @@
+from matplotlib import pyplot as plt
+from math import log
+def log_rang_log_freq(vals: list[int], fname: str = "fig.png"):
+    plt.figure().clear()
+    plt.plot([log(x) for x in range(1, len(vals)+1)], [log(y) for y in vals])
+    plt.savefig('../figures/'+fname)
+    plt.show()
+    return plt
+
+def words_freq_dict(filename: str = "word_freq.txt") -> dict:
+    words = {}
+    with open(filename) as f:
+        for line in f.readlines():
+            try:
+                occ, word = line.strip().replace('\n', '').split(' ')
+                occ = int(occ)
+            except:
+                #words[len' '] = line.strip().replace('\n', '')
+                pass
+            if len(word) in words:
+                if words[len(word)]['min']['count'] > occ:
+                    words[len(word)]['min']['count'] = occ
+                    words[len(word)]['min']['word'] = word
+
+                if words[len(word)]['max']['count'] < occ:
+                    words[len(word)]['max']['count'] = occ
+                    words[len(word)]['max']['word'] = word
+            else:
+                words[len(word)] = {
+                    'min' : {
+                        'word': word,
+                        'count': occ
+                    },
+                    'max' : {
+                        'word': word,
+                        'count': occ
+                    }
+                }
+
+    return words
+
+
+def word_len_occ(filename: str = "len_freq.txt") -> list[int]:
+    word_len, word_occ = [], []
+    with open(filename) as f:
+        for line in f.readlines():
+            occ, l = line.strip().replace('\n', ' ').split(' ')
+            word_len.append(int(l))
+            word_occ.append(int(occ))
+    return word_len[1:], word_occ[1:]
+
+
+def bigram_len_occ(filename: str = "bigram_freq.txt") -> list[int]:
+    bigram_len, bigram_occ = [], []
+    with open(filename) as f:
+        for line in f.readlines():
+            occ, l1, l2 = line.strip().replace('\n', ' ').split(' ')
+            bigram_len.append(len(l1) + len(l2))
+            bigram_occ.append(int(occ))
+    return bigram_len[1:], bigram_occ[1:]
+
+
+
+#Zpif law figure
+log_rang_log_freq(word_len_occ()[1], 'zipf-words.png')
+
+#Zipf law for bigram figure
+log_rang_log_freq(bigram_len_occ()[1], 'zipf-bigrams.png')
+
+#Most & least frequent words from text
+def disturbing_words():
+    words = words_freq_dict()
+    for i, w in sorted(words.items()):
+        if(w['min']['word'] != w['max']['word']):
+            print(f'{i}  - {w}')
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