Data Visualization & Inference

Inference

Hypothesis Testing

Special Events:

Decrease in Active Cases of Covid19 in India (18th September 2020)
Chinese App Ban, India (5th September, 2020)
AstraZeneca Vaccine Trial Stops (9th September, 2020)
Work From Home Announcement by Tim Cook (Apple CEO) (22nd September, 2020)
Amit Shah Tests Negative For Covid19 (24th August, 2020)
Russia First Vaccine (11th August, 2020)
Adar Poonawalla says vaccine will require 80k crores (27th September, 2020)
Amit Shah Tests Positive for Covid19(2nd August, 2020)
US-China Trade War (6th August, 2020)

Some Interesting Trends!!

Hypothesis:

The decrease in number of cases would trigger positive emotion like happiness and love in people and decrease the negative emotion like sadness and anger.

Hashtags and keywords: "flatten the curve", "flattening the curve", "#flatteningthecurve", "#flattenthecurve", peak, "Unlock"

Observation:

Sadness and Anger decreases

Love and Happiness increases

Supported Reasons:

These trends are an indication of relief people felt over reduction in number of covid19 cases.

Hypothesis: The chinese app ban event would trigger negative emotions like sadness and anger, and decrease positive emotion like happiness and love.

Hashtags and Keywords: Chinese App Ban, PUBG banned, #boycottchina, TikTokBan, carryminati, Atmanirbhar

Observation: Sadness increases and Love, Happiness, and Anger decreases

Supported Reasons:

A sharp rise in sadness can be seen immediately post this decision which can be attributed to the fact that people were sad about ban on a famous game PUBG, and effect of the decision on local businesses dealing with chinese goods. The decline could be attributed to 'atmanirbhar' movement.

Hypothesis:

The vaccine trial pause would trigger negative emotions like sadness and anger, and decrease positive emotion like happiness and love.

Hashtags and Keywords: Astrazeneca, Oxford, Vaccine

Observation:

Sadness and Anger increases

Love and Happiness decreases

Supported Reasons:

A sharp rise in sadness can be seen immediately post this decision which can be an indication to the fact the people were hopeful about this vaccine and wanted it to succeed. The same reason can be given for other observations as well.

Hypothesis: The work from home announcement from Apple would trigger positive emotion like happiness and love, and decrease negative emotions like sadness and anger.

Hashtags and Keywords: Work from home, Apple, "#workfromhome", "working from home", "#workingfromhome", Tim cook, "#stayathome", "#stayhome"

Observation:

Sadness and Anger decreases

Love and Happiness increases

Supported Reasons:

A sharp decline in sadness and anger and a steady increase in love and happiness can be an indication to the fact the people are looking forward to work from home.

Hypothesis:

The announcement of Amit Shah testing negative for covid19 would trigger positive emotion like happiness and love, and decrease negative emotions like sadness and anger.

Hashtags and Keywords: @AmitShah

Observation:

Sadness decreases

Love and Happiness increases

Anger slightly increases

Supported Reasons:

A sharp decline in sadness indicates the relief of people over the news.

Some Not So Interesting Trends...

Hypothesis: The announcement of first vaccine would trigger positive emotion like happiness and love, and decrease negative emotions like sadness and anger.

Hashtags and Keywords: Vaccine, Russia, Sputnik-5, Putin, Gam-COVID-Vac

Observation:

Sadness slightly increases

Anger and Love increases

Happiness decreases

Supported Reasons:

This observations could be because of the fact there wasn't strong evidence for the success of the vaccine. The trial results were not made transparent.

Hypothesis:

The announcement made by Adar Poonawalla would trigger negative emotion like sadness and anger, and decrease negative emotions like happiness and love.

Hashtags and Keywords: Serum, Rajesh Bhushan

Observation:

Sadness increases

Love, Happiness and Anger decreases

Supported Reasons:

Not much can be observed because of this case being border case.

Hypothesis:

The announcement of Amit Shah testing positive for covid19 would trigger negative emotion like sadness and anger, and decrease negative emotions like happiness and love.

Hashtags and Keywords: @AmitShah

Observation:

Sadness decreases and then increases

Love decreases

Anger increases

Supported Reasons:

Not much can be observed because of this case being border case.

Hypothesis:

The announcement of Tiktok ban would trigger negative emotion like sadness and anger, and decrease negative emotions like happiness and love.

Hashtags and Keywords: ByteDance, Tencent, Tiktok, WeChat, Ban, China Ban, TikTokBan

Observation:

Sadness and Anger decreases

Love and Happiness increases

Supported Reasons:

The increase in love could be contributed to the classification of a tweet exhibiting love for country as tweet exhibiting love emotion.

Visualization

Country wise Emotion Analysis with respect to Number of Covid19 Cases

We can observe quite a change in emotion of people for some countries in Africa continent and Russia with change n number of cases. While for countries like USA and India, there is only slight change. Following are the figures of covid19 cases data as well the emotions date wise.