卡方拟合性检验
======================


## 参数
----------------------

+------------------------+--------+----------+--------------+
| 名称                   | 类型   | 是否必传 | 备注         |
+------------------------+--------+----------+--------------+
| inputarg               | array  | Y        | 字段集合     |
+------------------------+--------+----------+--------------+
| inputarg.#.tbname1     | string | Y        | 表名         |
+------------------------+--------+----------+--------------+
| inputarg.#.columnArray | array  | Y        | 字段名称集合 |
+------------------------+--------+----------+--------------+



## 返回
----------------------

+--------+--------+----------+--------------------------------+
| 名称   | 类型   | 是否必传 | 备注                           |
+--------+--------+----------+--------------------------------+
| result | String | Y        | 所有输出的JSON，按节点类型解析 |
+--------+--------+----------+--------------------------------+


## 算法入口及参数
----------------------

+---------+-----------------------------------------------------------------+--------------+
| 名称    | 示例                                                            | 备注         |
+---------+-----------------------------------------------------------------+--------------+
| args[0] | tmptb2019062511473300088201                                     | 输入表名     |
+---------+-----------------------------------------------------------------+--------------+
| args[1] | sepal_length,petal_width                                        | 需要计算的列 |
+---------+-----------------------------------------------------------------+--------------+
| args[2] | hdfs://namenode:9000/ispatial/sysfile/tmp2019062605545200088301 | 结果存储地址 |
+---------+-----------------------------------------------------------------+--------------+