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Homework 1 #16

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2e30a90
Homework 0
KateMoreva Oct 11, 2020
5952780
Merge branch 'main' of https://github.com/Nordsvich/bigData2020 into …
KateMoreva Nov 22, 2020
da95df5
hw1
KateMoreva Nov 23, 2020
9035d80
hw2
KateMoreva Dec 14, 2020
2adb319
fix
KateMoreva Dec 14, 2020
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74 changes: 74 additions & 0 deletions hw0/moreva/task1/pom.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,74 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>sample</groupId>
<artifactId>sample</artifactId>
<version>1.0-SNAPSHOT</version>

<properties>
<spark.version>2.4.0</spark.version>
<scala.version.major>2.11</scala.version.major>
<scala.version.minor>12</scala.version.minor>
<scala.version>${scala.version.major}.${scala.version.minor}</scala.version>
</properties>

<dependencies>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_${scala.version.major}</artifactId>
<version>${spark.version}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-sql_${scala.version.major}</artifactId>
<version>${spark.version}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-streaming_${scala.version.major}</artifactId>
<version>${spark.version}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-mllib_${scala.version.major}</artifactId>
<version>${spark.version}</version>
</dependency>
<dependency>
<groupId>org.jmockit</groupId>
<artifactId>jmockit</artifactId>
<version>1.34</version>
<scope>test</scope>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>scala-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
<configuration>
<scalaVersion>${scala.version}</scalaVersion>
</configuration>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
70 changes: 70 additions & 0 deletions hw0/moreva/task1/results.txt
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Mean
+---------------+------------------+
| room_type| mean|
+---------------+------------------+
| Shared room| 63.36180308422301|
|Entire home/apt|196.39231262643708|
| Private room| 84.03547028011842|
+---------------+------------------+

Median
+---------------+------+
| room_type|median|
+---------------+------+
| Shared room| 45|
|Entire home/apt| 152|
| Private room| 70|
+---------------+------+

StDev
+---------------+------------------+
| room_type| std|
+---------------+------------------+
| Shared room| 95.30596217051998|
|Entire home/apt|223.94668301237797|
| Private room|142.57557511539287|
+---------------+------------------+

Mode
+---------------+-----+
| room_type|price|
+---------------+-----+
| Shared room| 30|
|Entire home/apt| 150|
| Private room| 50|
+---------------+-----+

Most expensive offer
+-------+--------------------+--------+---------+-------------------+-------------+--------+---------+------------+-----+--------------+-----------------+-----------+-----------------+------------------------------+----------------+
| id| name| host_id|host_name|neighbourhood_group|neighbourhood|latitude|longitude| room_type|price|minimum_nights|number_of_reviews|last_review|reviews_per_month|calculated_host_listings_count|availability_365|
+-------+--------------------+--------+---------+-------------------+-------------+--------+---------+------------+-----+--------------+-----------------+-----------+-----------------+------------------------------+----------------+
|7003697|Furnished room in...|20582832| Kathrine| Queens| Astoria| 40.7681|-73.91651|Private room|10000| 100| 2| 2016-02-13| 0.04| 1| 0|
+-------+--------------------+--------+---------+-------------------+-------------+--------+---------+------------+-----+--------------+-----------------+-----------+-----------------+------------------------------+----------------+
only showing top 1 row

Cheapest offer
+--------+--------------------+--------+---------+-------------------+-------------+--------+---------+---------------+-----+--------------+-----------------+-----------+-----------------+------------------------------+----------------+
| id| name| host_id|host_name|neighbourhood_group|neighbourhood|latitude|longitude| room_type|price|minimum_nights|number_of_reviews|last_review|reviews_per_month|calculated_host_listings_count|availability_365|
+--------+--------------------+--------+---------+-------------------+-------------+--------+---------+---------------+-----+--------------+-----------------+-----------+-----------------+------------------------------+----------------+
|18490141|IT'S SIMPLY CONVE...|97001292| Maria| Queens| Jamaica|40.69085|-73.79916|Entire home/apt| 10| 1| 43| 2019-06-12| 1.68| 1| 252|
+--------+--------------------+--------+---------+-------------------+-------------+--------+---------+---------------+-----+--------------+-----------------+-----------+-----------------+------------------------------+----------------+
only showing top 1 row

Correlation between price and minimum_nights
+--------------------+
| Correlation|
+--------------------+
|0.025380884270529043|
+--------------------+

Correlation between price and number_of_reviews
+--------------------+
| Correlation|
+--------------------+
|-0.03600784941172465|
+--------------------+

The most expensive area 5x5 km in New-York:
(40.75927734375,-74.02587890625) price: 276.25454545454545
Process finished with exit code 0

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