Add more examples for histograms

Shows how to pass them into gnuplot for graphing!

test/histo.org

@@ -13,7 +13,7 @@
 #+STARTUP: fold nodlcheck lognotestate content
 
 * Test Data
-First, you need to index the test data:
+First, you need to index some test data:
 
 #+BEGIN_SRC es
 DELETE /test
@@ -59,18 +59,18 @@ POST /test/doc/
 #+RESULTS:
 #+BEGIN_SRC es
 {"acknowledged":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjnfCPOs7WlNwXCO","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjovCPOs7WlNwXCP","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjpACPOs7WlNwXCQ","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjpRCPOs7WlNwXCR","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjpdCPOs7WlNwXCS","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjppCPOs7WlNwXCT","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjpzCPOs7WlNwXCU","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjqBCPOs7WlNwXCV","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjqLCPOs7WlNwXCW","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjqVCPOs7WlNwXCX","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjqgCPOs7WlNwXCY","_version":1,"created":true}
-{"_index":"test","_type":"doc","_id":"AU_ZRjqtCPOs7WlNwXCZ","_version":1,"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzgPDhJY14REGnGC","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzhyDhJY14REGnGD","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTziCDhJY14REGnGE","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTziRDhJY14REGnGF","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzijDhJY14REGnGG","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzixDhJY14REGnGH","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzjADhJY14REGnGI","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzjODhJY14REGnGJ","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzjeDhJY14REGnGK","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzjtDhJY14REGnGL","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzj-DhJY14REGnGM","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
+{"_index":"test","_type":"doc","_id":"AVMFTzkODhJY14REGnGN","_version":1,"_shards":{"total":2,"successful":1,"failed":0},"created":true}
 #+END_SRC
 
 * Histogram org-table
@@ -91,6 +91,7 @@ POST /test/doc/_search
 }
 #+END_SRC
 
+#+tblname: table-data
 #+RESULTS:
 | key | document count |
 |-----+----------------|
@@ -105,6 +106,15 @@ POST /test/doc/_search
 | 160 |              2 |
 #+TBLFM: $3='(orgtbl-ascii-draw $2 0 5)
 
+Which can then be passed into something like Gnuplot:
+
+#+BEGIN_SRC gnuplot :var data=table-data :file example.png :results raw
+plot data using 1:2 with lines
+#+END_SRC
+
+#+RESULTS:
+[[file:example.png]]
+
 #+BEGIN_SRC es :tablify my_terms_agg :results raw table
 POST /test/doc/_search
 {
@@ -127,4 +137,3 @@ POST /test/doc/_search
 | widget   |              2 |
 | cog      |              1 |
 #+TBLFM: $3='(orgtbl-ascii-draw $2 0 5)
-