Econometrics - Vector Error Correction Model: Johansen Test

2024/04/1910:10:04 science 8734

Econometrics - Vector Error Correction Model: Johansen Test - DayDayNews

Econometrics - Vector Error Correction Model: Johansen Test - DayDayNews

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With the development of medical technology, people have discovered a helpless fact, that is, the average life span of human beings has increased, but the limit of human life span has not been broken through. - DayDayNews

With the development of medical technology, people have discovered a helpless fact, that is, the average life span of human beings has increased, but the limit of human life span has not been broken through.

Cracking the aging code: New genetic discoveries are expected to increase the average human life span from 80 to 400 years

05/15 1226

Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it - DayDayNews

Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it

Scientists have discovered that human cells can make human cells 30 years younger. Can people really rejuvenate themselves? How to do

05/16 1288

A strange crystal that scientists have never seen before. Strange crystals under an electron microscope. Taskaev On February 15, 2013, a mysterious fireball streaked over Chelyabinsk in southern Russia. According to estimates, scientists believe that this is an asteroid with a di - DayDayNews

A strange crystal that scientists have never seen before. Strange crystals under an electron microscope. Taskaev On February 15, 2013, a mysterious fireball streaked over Chelyabinsk in southern Russia. According to estimates, scientists believe that this is an asteroid with a di

Nine years after a mysterious fireball fell in Russia, scientists discovered something strange there

05/16 1818

Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata - DayDayNews

Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata

Scientists synthesize new antibacterial platinum compound

05/16 1563

During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea - DayDayNews

During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea

What would happen if a nuclear bomb was detonated at the deepest point on earth?

05/15 1828

By examining the gel, which is formed from an exfoliating solution with added silica nanoparticles and solidifies as the temperature increases, the scientists discovered an unusual and previously unknown optical phenomenon. At 29 degrees, the gel transmits only red light, and at - DayDayNews

By examining the gel, which is formed from an exfoliating solution with added silica nanoparticles and solidifies as the temperature increases, the scientists discovered an unusual and previously unknown optical phenomenon. At 29 degrees, the gel transmits only red light, and at

Scientists create simple filter material with tunable wavelength transmission

05/15 1118

Introduction: A short, stemless plant in the mountains has a strange name and is known as "Duyiwei". Its functions are comparable to "Jinchuang Medicine". Our country has a vast territory, rich wild resources, and wide distribution. Whether in meadows, fields, or even mountains, - DayDayNews

Introduction: A short, stemless plant in the mountains has a strange name and is known as "Duyiwei". Its functions are comparable to "Jinchuang Medicine". Our country has a vast territory, rich wild resources, and wide distribution. Whether in meadows, fields, or even mountains,

A short, stemless plant in the mountains, known as "Unique", its functions are comparable to "Golden Medicine"

05/16 1874

But if you ask who the modern rain god is, most people surfing the Internet should be able to answer immediately, and that is Jam Hsiao. People say that this long-lasting rain occurred in the Triassic Period 233 million years ago, and it cannot be said that this rain fell for mor - DayDayNews

But if you ask who the modern rain god is, most people surfing the Internet should be able to answer immediately, and that is Jam Hsiao. People say that this long-lasting rain occurred in the Triassic Period 233 million years ago, and it cannot be said that this rain fell for mor

There was a rain on the earth that lasted for more than 2 million years. Is it possible to happen again in the future?

05/15 1041

When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan - DayDayNews

When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan

If you drop an egg from an airplane, will it be cooked when it hits the ground? I can't eat it anyway

05/16 1552

Health trackers worn on the wrist may detect coronavirus infections days before symptoms appear. The British Guardian reports that more and more people around the world are using these devices to monitor skin temperature. , changes in heart and respiratory rates. A new study show - DayDayNews

Health trackers worn on the wrist may detect coronavirus infections days before symptoms appear. The British Guardian reports that more and more people around the world are using these devices to monitor skin temperature. , changes in heart and respiratory rates. A new study show

Can the "Scientific Power" health bracelet detect the new coronavirus? Is this reliable?

05/16 1718

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland". - DayDayNews

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland".

Commissioned by the National Bureau of Investigation, this major achievement was officially released! It is the first time in the country for an academician to write a preface!

05/17 1924

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.” - DayDayNews

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”

19 photos of natural beauty that will completely mesmerize you

05/17 1539

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to - DayDayNews

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to

"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?

05/17 1119

On July 3, Typhoon Siam made landfall in South China and is pouring rain in many places in the south. Typhoon Airi is moving in the Western Pacific. Today, its center has moved into the East China Sea, bringing refreshing blue sky and white clouds to many places in the Yangtze Ri - DayDayNews

On July 3, Typhoon Siam made landfall in South China and is pouring rain in many places in the south. Typhoon Airi is moving in the Western Pacific. Today, its center has moved into the East China Sea, bringing refreshing blue sky and white clouds to many places in the Yangtze Ri

rare! As hot and high pressure climbs up the Tibetan Plateau, will there be problems with the glaciers? Analysis: Northwest or extreme heat

05/17 1033

As we all know, there are two space stations in Earth orbit today. One is the International Space Station, which has been operating for more than 20 years, and the other is the Chinese Space Station, which has only been operating for one year. The International Space Station is i - DayDayNews

As we all know, there are two space stations in Earth orbit today. One is the International Space Station, which has been operating for more than 20 years, and the other is the Chinese Space Station, which has only been operating for one year. The International Space Station is i

Among the Chinese, Russian and American space station cabins, whose sleeping area is the best? The Tianhe cabin sleeping area is simply a luxury version

05/17 1011

Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for - DayDayNews

Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for

"ACS Nano" from Tianjin University's Wu Hong/Jiang Zhongyi team: charged nanochannels in covalent organic framework membranes achieve efficient ion interception

05/17 1899

I was walking with my friends in the evening. At the intersection, the crowd was crowded, and it seemed like there was a dispute. From a distance, we heard a person complaining loudly: "I just want to argue like this." - DayDayNews

I was walking with my friends in the evening. At the intersection, the crowd was crowded, and it seemed like there was a dispute. From a distance, we heard a person complaining loudly: "I just want to argue like this."

Ye Ting｜"The rest of your life is precious, don't waste it on bad people"

05/17 1933

The tenacity of mountains and the tenderness of water tempt us to read "Mountains and Waters" over and over again. The mountains are covered with green, and the valleys are covered with cicadas. We climbed up the stairs, listened to the sounds of nature, and looked at the miracul - DayDayNews

The tenacity of mountains and the tenderness of water tempt us to read "Mountains and Waters" over and over again. The mountains are covered with green, and the valleys are covered with cicadas. We climbed up the stairs, listened to the sounds of nature, and looked at the miracul

【Out of Color in the Sky】Reading the Mountains and Tasting the Waters at the Source of Tangxi

05/17 1895

Confucius once talked to the students about their political ambitions. The three of them were all very ambitious people and wanted to govern a country and manage it well. - DayDayNews

Confucius once talked to the students about their political ambitions. The three of them were all very ambitious people and wanted to govern a country and manage it well.

There is no shame in being ordinary, and you can live the way you want

05/17 1889

For Xiaohu, this was not only a hotel trip, but also an experience of Renaissance’s “Night, Inspiration, Renaissance” brand project with musician Tanya Tanya.

I attended a Tanya Tanya concert at the Renaissance Hotel on the shores of Taihu Lake in Suzhou.

05/17 1213

Tanya explained: "I think this is a song that needs to go on a journey, so the preparation of the MV also took a lot of thought." At the same time, there has always been only one candidate in Tanya's mind as to who to film this MV, which is particularly important to her, and that - DayDayNews

Tanya explained: "I think this is a song that needs to go on a journey, so the preparation of the MV also took a lot of thought." At the same time, there has always been only one candidate in Tanya's mind as to who to film this MV, which is particularly important to her, and that

Tanya Tanya's "Suicide Note" MV premieres, teaming up with director Yu Jingping to interpret the true meaning of life

05/17 1951

Photo by Qian Xingqiang, China News Service 15 years ago, there were more than 3,000 record stores in Beijing. There are a dazzling array of albums, and the young customers' eyes wander back and forth in front of the shelves, wondering which album to leave their limited pocket mo - DayDayNews

Photo by Qian Xingqiang, China News Service 15 years ago, there were more than 3,000 record stores in Beijing. There are a dazzling array of albums, and the young customers' eyes wander back and forth in front of the shelves, wondering which album to leave their limited pocket mo

Record stores under the Internet trend not only have "CDs of the past"

05/17 1995