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Commit fd7f12e9 authored by 1d334d5105a1a432e18f2e361780bab5's avatar 1d334d5105a1a432e18f2e361780bab5
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module2/exo4/exercice.ipynb
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...@@ -11,610 +11,39 @@ ...@@ -11,610 +11,39 @@
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"# Data import" "We want to analyze how the nitrogen fertilizer price per ton evolved with years."
] ]
}, },
{ {
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"This data gives the long-term evolution of nitrogen fertilizer price in USD" "# Data import"
] ]
}, },
{ {
"cell_type": "code", "cell_type": "markdown",
"execution_count": 1,
"metadata": {}, "metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"DATE,PCU325311325311\n",
"1975-12-01,88.1\n",
"1976-01-01,87.6\n",
"1976-02-01,85.0\n",
"1976-03-01,84.8\n",
"1976-04-01,84.7\n",
"1976-05-01,84.6\n",
"1976-06-01,83.5\n",
"1976-07-01,83.0\n",
"1976-08-01,83.2\n",
"1976-09-01,83.1\n",
"1976-10-01,83.5\n",
"1976-11-01,83.2\n",
"1976-12-01,83.0\n",
"1977-01-01,82.5\n",
"1977-02-01,84.5\n",
"1977-03-01,86.9\n",
"1977-04-01,87.6\n",
"1977-05-01,87.4\n",
"1977-06-01,87.1\n",
"1977-07-01,87.2\n",
"1977-08-01,87.1\n",
"1977-09-01,87.2\n",
"1977-10-01,86.4\n",
"1977-11-01,84.6\n",
"1977-12-01,83.9\n",
"1978-01-01,83.3\n",
"1978-02-01,85.0\n",
"1978-03-01,86.6\n",
"1978-04-01,86.7\n",
"1978-05-01,86.1\n",
"1978-06-01,85.7\n",
"1978-07-01,85.2\n",
"1978-08-01,84.5\n",
"1978-09-01,84.5\n",
"1978-10-01,85.5\n",
"1978-11-01,84.2\n",
"1978-12-01,83.9\n",
"1979-01-01,84.0\n",
"1979-02-01,85.1\n",
"1979-03-01,86.4\n",
"1979-04-01,89.4\n",
"1979-05-01,89.8\n",
"1979-06-01,89.3\n",
"1979-07-01,90.6\n",
"1979-08-01,91.7\n",
"1979-09-01,93.4\n",
"1979-10-01,95.1\n",
"1979-11-01,98.4\n",
"1979-12-01,100.0\n",
"1980-01-01,.\n",
"1980-02-01,.\n",
"1980-03-01,.\n",
"1980-04-01,.\n",
"1980-05-01,.\n",
"1980-06-01,.\n",
"1980-07-01,.\n",
"1980-08-01,.\n",
"1980-09-01,.\n",
"1980-10-01,.\n",
"1980-11-01,.\n",
"1980-12-01,116.1\n",
"1981-01-01,118.9\n",
"1981-02-01,121.6\n",
"1981-03-01,124.9\n",
"1981-04-01,129.6\n",
"1981-05-01,130.8\n",
"1981-06-01,126.4\n",
"1981-07-01,126.4\n",
"1981-08-01,126.8\n",
"1981-09-01,125.2\n",
"1981-10-01,125.9\n",
"1981-11-01,127.0\n",
"1981-12-01,125.9\n",
"1982-01-01,125.4\n",
"1982-02-01,125.7\n",
"1982-03-01,125.3\n",
"1982-04-01,124.8\n",
"1982-05-01,123.7\n",
"1982-06-01,122.9\n",
"1982-07-01,119.7\n",
"1982-08-01,119.7\n",
"1982-09-01,119.2\n",
"1982-10-01,120.5\n",
"1982-11-01,118.4\n",
"1982-12-01,117.5\n",
"1983-01-01,117.0\n",
"1983-02-01,116.6\n",
"1983-03-01,116.4\n",
"1983-04-01,116.6\n",
"1983-05-01,116.0\n",
"1983-06-01,115.4\n",
"1983-07-01,114.9\n",
"1983-08-01,114.0\n",
"1983-09-01,111.7\n",
"1983-10-01,111.7\n",
"1983-11-01,113.2\n",
"1983-12-01,114.9\n",
"1984-01-01,116.7\n",
"1984-02-01,121.3\n",
"1984-03-01,126.1\n",
"1984-04-01,127.6\n",
"1984-05-01,127.8\n",
"1984-06-01,127.1\n",
"1984-07-01,126.0\n",
"1984-08-01,122.6\n",
"1984-09-01,122.0\n",
"1984-10-01,122.7\n",
"1984-11-01,121.1\n",
"1984-12-01,121.2\n",
"1985-01-01,122.0\n",
"1985-02-01,123.1\n",
"1985-03-01,123.0\n",
"1985-04-01,123.7\n",
"1985-05-01,123.3\n",
"1985-06-01,122.6\n",
"1985-07-01,122.4\n",
"1985-08-01,121.1\n",
"1985-09-01,123.8\n",
"1985-10-01,122.2\n",
"1985-11-01,121.8\n",
"1985-12-01,119.6\n",
"1986-01-01,114.5\n",
"1986-02-01,114.6\n",
"1986-03-01,115.3\n",
"1986-04-01,114.3\n",
"1986-05-01,114.3\n",
"1986-06-01,114.1\n",
"1986-07-01,108.7\n",
"1986-08-01,103.8\n",
"1986-09-01,102.5\n",
"1986-10-01,99.6\n",
"1986-11-01,99.1\n",
"1986-12-01,99.7\n",
"1987-01-01,97.5\n",
"1987-02-01,102.1\n",
"1987-03-01,106.2\n",
"1987-04-01,108.9\n",
"1987-05-01,105.9\n",
"1987-06-01,104.7\n",
"1987-07-01,103.8\n",
"1987-08-01,103.7\n",
"1987-09-01,102.7\n",
"1987-10-01,101.7\n",
"1987-11-01,103.2\n",
"1987-12-01,105.3\n",
"1988-01-01,110.4\n",
"1988-02-01,117.3\n",
"1988-03-01,120.4\n",
"1988-04-01,120.3\n",
"1988-05-01,119.0\n",
"1988-06-01,115.2\n",
"1988-07-01,116.8\n",
"1988-08-01,117.2\n",
"1988-09-01,119.3\n",
"1988-10-01,122.9\n",
"1988-11-01,127.1\n",
"1988-12-01,131.4\n",
"1989-01-01,133.5\n",
"1989-02-01,134.9\n",
"1989-03-01,136.4\n",
"1989-04-01,133.9\n",
"1989-05-01,130.8\n",
"1989-06-01,121.4\n",
"1989-07-01,113.0\n",
"1989-08-01,110.2\n",
"1989-09-01,107.6\n",
"1989-10-01,106.7\n",
"1989-11-01,108.7\n",
"1989-12-01,112.3\n",
"1990-01-01,114.4\n",
"1990-02-01,120.1\n",
"1990-03-01,119.6\n",
"1990-04-01,119.1\n",
"1990-05-01,115.8\n",
"1990-06-01,112.4\n",
"1990-07-01,113.1\n",
"1990-08-01,115.0\n",
"1990-09-01,121.4\n",
"1990-10-01,127.1\n",
"1990-11-01,129.9\n",
"1990-12-01,130.5\n",
"1991-01-01,131.3\n",
"1991-02-01,131.4\n",
"1991-03-01,130.5\n",
"1991-04-01,128.3\n",
"1991-05-01,126.0\n",
"1991-06-01,123.6\n",
"1991-07-01,123.1\n",
"1991-08-01,124.3\n",
"1991-09-01,123.9\n",
"1991-10-01,125.0\n",
"1991-11-01,123.6\n",
"1991-12-01,124.7\n",
"1992-01-01,123.6\n",
"1992-02-01,122.9\n",
"1992-03-01,122.1\n",
"1992-04-01,122.0\n",
"1992-05-01,123.4\n",
"1992-06-01,123.7\n",
"1992-07-01,121.2\n",
"1992-08-01,118.5\n",
"1992-09-01,119.2\n",
"1992-10-01,121.8\n",
"1992-11-01,121.3\n",
"1992-12-01,121.1\n",
"1993-01-01,122.3\n",
"1993-02-01,124.2\n",
"1993-03-01,125.5\n",
"1993-04-01,125.6\n",
"1993-05-01,125.0\n",
"1993-06-01,123.1\n",
"1993-07-01,121.6\n",
"1993-08-01,118.8\n",
"1993-09-01,118.9\n",
"1993-10-01,119.5\n",
"1993-11-01,128.7\n",
"1993-12-01,121.9\n",
"1994-01-01,123.6\n",
"1994-02-01,126.8\n",
"1994-03-01,129.1\n",
"1994-04-01,133.9\n",
"1994-05-01,136.8\n",
"1994-06-01,135.7\n",
"1994-07-01,136.9\n",
"1994-08-01,138.3\n",
"1994-09-01,138.2\n",
"1994-10-01,143.5\n",
"1994-11-01,147.8\n",
"1994-12-01,148.3\n",
"1995-01-01,155.8\n",
"1995-02-01,161.2\n",
"1995-03-01,165.3\n",
"1995-04-01,167.2\n",
"1995-05-01,166.6\n",
"1995-06-01,164.3\n",
"1995-07-01,157.3\n",
"1995-08-01,148.5\n",
"1995-09-01,147.1\n",
"1995-10-01,147.8\n",
"1995-11-01,152.4\n",
"1995-12-01,156.8\n",
"1996-01-01,161.8\n",
"1996-02-01,162.4\n",
"1996-03-01,165.8\n",
"1996-04-01,164.9\n",
"1996-05-01,162.3\n",
"1996-06-01,156.3\n",
"1996-07-01,151.5\n",
"1996-08-01,149.9\n",
"1996-09-01,150.5\n",
"1996-10-01,157.8\n",
"1996-11-01,159.8\n",
"1996-12-01,165.8\n",
"1997-01-01,167.6\n",
"1997-02-01,169.8\n",
"1997-03-01,170.5\n",
"1997-04-01,170.4\n",
"1997-05-01,168.3\n",
"1997-06-01,163.1\n",
"1997-07-01,158.0\n",
"1997-08-01,157.3\n",
"1997-09-01,156.1\n",
"1997-10-01,151.5\n",
"1997-11-01,148.8\n",
"1997-12-01,144.0\n",
"1998-01-01,142.1\n",
"1998-02-01,140.1\n",
"1998-03-01,139.9\n",
"1998-04-01,136.8\n",
"1998-05-01,139.0\n",
"1998-06-01,138.7\n",
"1998-07-01,136.4\n",
"1998-08-01,132.2\n",
"1998-09-01,127.9\n",
"1998-10-01,126.4\n",
"1998-11-01,123.1\n",
"1998-12-01,120.4\n",
"1999-01-01,119.6\n",
"1999-02-01,119.7\n",
"1999-03-01,121.0\n",
"1999-04-01,121.7\n",
"1999-05-01,118.9\n",
"1999-06-01,117.0\n",
"1999-07-01,113.5\n",
"1999-08-01,113.1\n",
"1999-09-01,115.0\n",
"1999-10-01,120.7\n",
"1999-11-01,120.5\n",
"1999-12-01,122.4\n",
"2000-01-01,126.3\n",
"2000-02-01,130.7\n",
"2000-03-01,133.7\n",
"2000-04-01,135.0\n",
"2000-05-01,134.7\n",
"2000-06-01,138.2\n",
"2000-07-01,147.2\n",
"2000-08-01,148.2\n",
"2000-09-01,152.5\n",
"2000-10-01,157.8\n",
"2000-11-01,161.6\n",
"2000-12-01,170.6\n",
"2001-01-01,209.1\n",
"2001-02-01,218.6\n",
"2001-03-01,216.8\n",
"2001-04-01,202.8\n",
"2001-05-01,187.0\n",
"2001-06-01,171.1\n",
"2001-07-01,159.6\n",
"2001-08-01,149.3\n",
"2001-09-01,144.9\n",
"2001-10-01,137.6\n",
"2001-11-01,132.9\n",
"2001-12-01,131.0\n",
"2002-01-01,130.3\n",
"2002-02-01,129.1\n",
"2002-03-01,127.2\n",
"2002-04-01,126.1\n",
"2002-05-01,128.0\n",
"2002-06-01,132.0\n",
"2002-07-01,131.5\n",
"2002-08-01,132.0\n",
"2002-09-01,130.6\n",
"2002-10-01,133.5\n",
"2002-11-01,137.9\n",
"2002-12-01,141.6\n",
"2003-01-01,150.9\n",
"2003-02-01,163.6\n",
"2003-03-01,183.0\n",
"2003-04-01,188.7\n",
"2003-05-01,184.1\n",
"2003-06-01,177.6\n",
"2003-07-01,173.8\n",
"2003-08-01,175.8\n",
"2003-09-01,178.4\n",
"2003-10-01,180.7\n",
"2003-11-01,182.0\n",
"2003-12-01,185.6\n",
"2004-01-01,192.6\n",
"2004-02-01,198.4\n",
"2004-03-01,199.3\n",
"2004-04-01,200.2\n",
"2004-05-01,194.6\n",
"2004-06-01,197.7\n",
"2004-07-01,200.2\n",
"2004-08-01,206.0\n",
"2004-09-01,206.3\n",
"2004-10-01,214.0\n",
"2004-11-01,217.5\n",
"2004-12-01,220.1\n",
"2005-01-01,220.2\n",
"2005-02-01,219.6\n",
"2005-03-01,218.8\n",
"2005-04-01,226.6\n",
"2005-05-01,230.4\n",
"2005-06-01,232.8\n",
"2005-07-01,228.4\n",
"2005-08-01,227.5\n",
"2005-09-01,236.0\n",
"2005-10-01,256.0\n",
"2005-11-01,266.9\n",
"2005-12-01,279.3\n",
"2006-01-01,284.7\n",
"2006-02-01,272.7\n",
"2006-03-01,264.6\n",
"2006-04-01,256.4\n",
"2006-05-01,251.4\n",
"2006-06-01,242.7\n",
"2006-07-01,231.9\n",
"2006-08-01,228.3\n",
"2006-09-01,225.2\n",
"2006-10-01,228.2\n",
"2006-11-01,228.5\n",
"2006-12-01,233.0\n",
"2007-01-01,244.5\n",
"2007-02-01,256.9\n",
"2007-03-01,272.1\n",
"2007-04-01,283.4\n",
"2007-05-01,281.9\n",
"2007-06-01,283.1\n",
"2007-07-01,282.0\n",
"2007-08-01,273.8\n",
"2007-09-01,272.6\n",
"2007-10-01,285.2\n",
"2007-11-01,291.5\n",
"2007-12-01,314.5\n",
"2008-01-01,338.6\n",
"2008-02-01,348.5\n",
"2008-03-01,368.5\n",
"2008-04-01,381.8\n",
"2008-05-01,410.6\n",
"2008-06-01,437.9\n",
"2008-07-01,473.8\n",
"2008-08-01,491.9\n",
"2008-09-01,508.2\n",
"2008-10-01,498.3\n",
"2008-11-01,454.2\n",
"2008-12-01,411.1\n",
"2009-01-01,359.0\n",
"2009-02-01,319.0\n",
"2009-03-01,293.5\n",
"2009-04-01,308.6\n",
"2009-05-01,292.7\n",
"2009-06-01,264.8\n",
"2009-07-01,250.0\n",
"2009-08-01,246.2\n",
"2009-09-01,235.0\n",
"2009-10-01,243.6\n",
"2009-11-01,246.8\n",
"2009-12-01,245.6\n",
"2010-01-01,255.8\n",
"2010-02-01,269.4\n",
"2010-03-01,274.8\n",
"2010-04-01,289.9\n",
"2010-05-01,290.6\n",
"2010-06-01,286.0\n",
"2010-07-01,271.9\n",
"2010-08-01,279.4\n",
"2010-09-01,291.3\n",
"2010-10-01,310.1\n",
"2010-11-01,314.0\n",
"2010-12-01,326.0\n",
"2011-01-01,341.2\n",
"2011-02-01,357.2\n",
"2011-03-01,373.7\n",
"2011-04-01,386.5\n",
"2011-05-01,395.7\n",
"2011-06-01,405.4\n",
"2011-07-01,413.4\n",
"2011-08-01,413.2\n",
"2011-09-01,419.0\n",
"2011-10-01,430.8\n",
"2011-11-01,441.1\n",
"2011-12-01,443.5\n",
"2012-01-01,430.6\n",
"2012-02-01,410.4\n",
"2012-03-01,405.8\n",
"2012-04-01,425.7\n",
"2012-05-01,451.5\n",
"2012-06-01,455.9\n",
"2012-07-01,451.3\n",
"2012-08-01,433.6\n",
"2012-09-01,432.6\n",
"2012-10-01,436.1\n",
"2012-11-01,433.9\n",
"2012-12-01,437.7\n",
"2013-01-01,442.6\n",
"2013-02-01,448.7\n",
"2013-03-01,444.3\n",
"2013-04-01,462.2\n",
"2013-05-01,470.4\n",
"2013-06-01,450.3\n",
"2013-07-01,428.3\n",
"2013-08-01,384.5\n",
"2013-09-01,375.0\n",
"2013-10-01,369.4\n",
"2013-11-01,369.2\n",
"2013-12-01,365.2\n",
"2014-01-01,364.9\n",
"2014-02-01,382.0\n",
"2014-03-01,389.6\n",
"2014-04-01,401.0\n",
"2014-05-01,420.0\n",
"2014-06-01,403.8\n",
"2014-07-01,389.9\n",
"2014-08-01,380.4\n",
"2014-09-01,376.4\n",
"2014-10-01,371.9\n",
"2014-11-01,373.3\n",
"2014-12-01,376.8\n",
"2015-01-01,379.9\n",
"2015-02-01,378.4\n",
"2015-03-01,371.2\n",
"2015-04-01,372.6\n",
"2015-05-01,376.4\n",
"2015-06-01,377.0\n",
"2015-07-01,363.2\n",
"2015-08-01,348.3\n",
"2015-09-01,360.0\n",
"2015-10-01,347.3\n",
"2015-11-01,344.3\n",
"2015-12-01,353.1\n",
"2016-01-01,338.0\n",
"2016-02-01,323.2\n",
"2016-03-01,314.3\n",
"2016-04-01,319.5\n",
"2016-05-01,320.6\n",
"2016-06-01,312.0\n",
"2016-07-01,290.1\n",
"2016-08-01,270.3\n",
"2016-09-01,263.7\n",
"2016-10-01,263.2\n",
"2016-11-01,265.5\n",
"2016-12-01,267.3\n",
"2017-01-01,270.6\n",
"2017-02-01,288.0\n",
"2017-03-01,297.3\n",
"2017-04-01,304.5\n",
"2017-05-01,299.8\n",
"2017-06-01,296.7\n",
"2017-07-01,282.4\n",
"2017-08-01,263.8\n",
"2017-09-01,258.6\n",
"2017-10-01,264.3\n",
"2017-11-01,278.7\n",
"2017-12-01,290.9\n",
"2018-01-01,292.1\n",
"2018-02-01,307.7\n",
"2018-03-01,307.5\n",
"2018-04-01,307.8\n",
"2018-05-01,305.3\n",
"2018-06-01,301.4\n",
"2018-07-01,293.9\n",
"2018-08-01,295.1\n",
"2018-09-01,298.4\n",
"2018-10-01,310.1\n",
"2018-11-01,318.6\n",
"2018-12-01,321.9\n",
"2019-01-01,321.9\n",
"2019-02-01,332.5\n",
"2019-03-01,329.2\n",
"2019-04-01,326.5\n",
"2019-05-01,325.6\n",
"2019-06-01,318.2\n",
"2019-07-01,312.2\n",
"2019-08-01,300.4\n",
"2019-09-01,297.3\n",
"2019-10-01,299.0\n",
"2019-11-01,294.5\n",
"2019-12-01,277.4\n",
"2020-01-01,280.8\n",
"2020-02-01,279.9\n",
"2020-03-01,282.5\n",
"2020-04-01,294.8\n",
"2020-05-01,294.2\n",
"2020-06-01,285.3\n",
"2020-07-01,280.9\n",
"2020-08-01,277.9\n",
"2020-09-01,280.7\n",
"2020-10-01,286.6\n",
"2020-11-01,286.0\n",
"2020-12-01,292.1\n",
"2021-01-01,307.5\n",
"2021-02-01,325.3\n",
"2021-03-01,333.8\n",
"2021-04-01,352.7\n",
"2021-05-01,366.5\n",
"2021-06-01,407.4\n",
"2021-07-01,419.080\n",
"2021-08-01,411.683\n",
"2021-09-01,421.322\n",
"2021-10-01,483.638\n",
"2021-11-01,539.354\n",
"2021-12-01,615.654\n",
"2022-01-01,643.475\n",
"2022-02-01,677.806\n",
"2022-03-01,674.724\n",
"\n"
]
}
],
"source": [ "source": [
"import requests\n", "This data gives the long-term evolution of nitrogen fertilizer price in USD"
"\n",
"url = 'https://app-learninglab.inria.fr/moocrr/gitlab/1d334d5105a1a432e18f2e361780bab5/mooc-rr/raw/master/module2/exo4/PCU325311325311.csv?inline=false'\n",
"data = requests.get(url).text\n",
"print(data)"
] ]
}, },
{ {
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"We convert this big string into csv" "First we import data from our gitlab repo."
] ]
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 2, "execution_count": 1,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
"import io\n", "import io\n",
"import pandas as pd\n", "import pandas as pd\n",
"df = pd.read_csv(io.StringIO(data), sep=',', decimal='.')\n", "df = pd.read_csv('https://app-learninglab.inria.fr/moocrr/gitlab/1d334d5105a1a432e18f2e361780bab5/mooc-rr/raw/master/module2/exo4/PCU325311325311.csv?inline=false', sep=',', decimal='.')\n",
"df.columns = ['date', 'price']" "df.columns = ['date', 'price']"
] ]
}, },
...@@ -627,7 +56,7 @@ ...@@ -627,7 +56,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 3, "execution_count": 2,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
...@@ -636,7 +65,7 @@ ...@@ -636,7 +65,7 @@
"'1975-12-01'" "'1975-12-01'"
] ]
}, },
"execution_count": 3, "execution_count": 2,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
...@@ -647,7 +76,7 @@ ...@@ -647,7 +76,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 4, "execution_count": 3,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
...@@ -656,7 +85,7 @@ ...@@ -656,7 +85,7 @@
"Timestamp('1975-01-01 00:12:00')" "Timestamp('1975-01-01 00:12:00')"
] ]
}, },
"execution_count": 4, "execution_count": 3,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
...@@ -668,7 +97,7 @@ ...@@ -668,7 +97,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 5, "execution_count": 4,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
...@@ -686,16 +115,16 @@ ...@@ -686,16 +115,16 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 6, "execution_count": 5,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
"data": { "data": {
"text/plain": [ "text/plain": [
"[<matplotlib.lines.Line2D at 0x7efdd16b4400>]" "[<matplotlib.lines.Line2D at 0x7f8391afabe0>]"
] ]
}, },
"execution_count": 6, "execution_count": 5,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
}, },
...@@ -728,7 +157,7 @@ ...@@ -728,7 +157,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 7, "execution_count": 6,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
...@@ -738,7 +167,7 @@ ...@@ -738,7 +167,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 8, "execution_count": 7,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
...@@ -748,7 +177,7 @@ ...@@ -748,7 +177,7 @@
"dtype: float64" "dtype: float64"
] ]
}, },
"execution_count": 8, "execution_count": 7,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
...@@ -766,7 +195,7 @@ ...@@ -766,7 +195,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 9, "execution_count": 8,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
...@@ -776,7 +205,7 @@ ...@@ -776,7 +205,7 @@
"dtype: float64" "dtype: float64"
] ]
}, },
"execution_count": 9, "execution_count": 8,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
...@@ -794,7 +223,7 @@ ...@@ -794,7 +223,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 10, "execution_count": 9,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
...@@ -803,7 +232,7 @@ ...@@ -803,7 +232,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 11, "execution_count": 10,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
...@@ -813,7 +242,7 @@ ...@@ -813,7 +242,7 @@
"dtype: float64" "dtype: float64"
] ]
}, },
"execution_count": 11, "execution_count": 10,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
...@@ -831,7 +260,7 @@ ...@@ -831,7 +260,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 12, "execution_count": 11,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
...@@ -841,7 +270,7 @@ ...@@ -841,7 +270,7 @@
"dtype: float64" "dtype: float64"
] ]
}, },
"execution_count": 12, "execution_count": 11,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
...@@ -850,6 +279,20 @@ ...@@ -850,6 +279,20 @@
"np.around(prices_after_2000.std(ddof=1), decimals=2)" "np.around(prices_after_2000.std(ddof=1), decimals=2)"
] ]
}, },
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Conclusion of the study"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"We shown that after year 2000, the average price and variance of nitrogen fertilizer greatly increased compared to before year 2000."
]
},
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": null, "execution_count": null,
......
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