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August 29, 2015 13:55
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case "qualitative" => | |
val sorted = rows | |
.groupBy(x=>x) | |
.map { xy => (xy._1, xy._2.size) } | |
.toList | |
.sortBy(x=>x._2) | |
.reverse | |
val py = sorted.head._2 | |
val px = rows.distinct.map(w => w.length).max | |
sorted.map { i=> | |
(i._1, i._2, (i._2 * 60.0/py).toInt) | |
} | |
.foreach { i=> | |
printf( "%"+px+"s: %s\t%d\n", i._1, List.fill[Char](i._3)('#').mkString(""), i._2) | |
} |
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Here are some of the histograms generated by the code above - | |
Column: "Gun in Home" | |
$ scala GSSJob GSS-Data-for-Statwing-Prize.txt histo "Gun in Home" qualitative | |
No: ############################################################ 13607 | |
Yes: ######################################## 9207 | |
Column: "Sex Frequency" | |
$ scala GSSJob GSS-Data-for-Statwing-Prize.txt histo "Sex Freq" qualitative | |
Not at All: ############################################################ 4270 | |
2-3 Per Week: ######################################################### 4070 | |
Weekly: ################################################## 3593 | |
2-3 Times a Month: ############################################### 3361 | |
Once a Month: ############################### 2217 | |
Once or Twice: ######################## 1714 | |
4+ Per Week: ################### 1367 | |
Column: "Age" | |
$ scala GSSJob GSS-Data-for-Statwing-Prize.txt histo "Age" quantitative | |
[18.0 - 25.1]: ################################################ 4826 | |
[25.1 - 32.2]: ############################################################ 5979 | |
[32.2 - 39.3]: ########################################################### 5913 | |
[39.3 - 46.4]: ##################################################### 5315 | |
[46.4 - 53.5]: ################################################ 4816 | |
[53.5 - 60.6]: ####################################### 3929 | |
[60.6 - 67.7]: ################################ 3273 | |
[67.7 - 74.8]: ########################## 2635 | |
[74.8 - 81.9]: ################# 1773 | |
[81.9 - 89.0]: ########## 1075 |
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