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प्रवृत्ति सूचकांक

प्रवृत्ति सूचकांक
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Human Capital Project

Welcome to the Human Capital Project (HCP), a global effort to accelerate more and better investments in people for greater equity and economic growth. With the current COVID-19 pandemic, it's even more important to understand why countries should invest in human capital (HC) and protect hard-won gains from being eroded. Find out why the World Bank, countries, and partners are coming together to try to close the massive HC gap in the world during COVID-19 and afterwards. Check out the updated 2020 Human Capital Index, our videos, visualizations, frequently-asked-questions, and more. You too can help those around the world to #InvestinPeople.


The PYPL index has been cited in the following trade journals :

    , , (several articles),

The PYPL PopularitY of Programming Language Index is created by analyzing how often language tutorials are searched on Google : the more a language प्रवृत्ति सूचकांक tutorial is searched, the more popular the language is assumed to be. It is a leading indicator. The raw data comes from Google Trends.

If you believe in collective wisdom, the PYPL Popularity of Programming Language index can help you decide which language to study, or which one to use in a new software project.

Why is PYPL so different from TIOBE ?

The TIOBE Index is a lagging indicator. It counts the number of web pages with the language name. Objective-c programming has over 20 million pages on the web, [s] while C programming has only 11 million. [s] This explains why Objective-C has a high TIOBE ranking. But who is reading those Objective-C web pages ? Hardly anyone, according to Google Trends data. Objective C programming is searched 30 times less than C programming . [s] In fact, the use of programming by the TIOBE index is misleading (see next question).

The following principles were used:

    • just the language name, e.g. Python , would lead to inconsistent results, because Python has many other meanings;
    • the same phrase should be used for all languages, for consistency.
    • programming would not do : C programming is used much more than PHP programming , because PHP does not need the qualifier
    • tutorial is a word used frequently by developers learning any new language : it makes a good leading indicator. What is a python tutorial , if not a tutorial on the programming language ?
    • ios tutorial is used instead of the (less popular) objective-c tutorial to better reflect what iPhone developers search. This is confirmed by an analysis of language tag followers on StackOverflow, or of the visits of the Wikipedia language pages [s] : they give a 4-5% popularity to Objective-C, which is highly consistent with our estimate. It may flatter objective-c's market share because it includes queries of iOS end users.

    My favorite language is not in the index ! Why ?

    The index is currently limited to 28 languages. You can still analyze the popularity of your favorite language and compare it to others, using Google Trends. C++ has the same popularity as C on Google trends: to avoid duplication, it is not included in the PYPL index.

    We export the data from Google Trends in CSV format, [s] and analyze it with python's pandas. We first calculate the interest of each language tutorials relative to java tutorials every month. Normalizing the total to 100% yields the share of interest in each प्रवृत्ति सूचकांक language, i.e. their popularity, which we प्रवृत्ति सूचकांक smooth over 6 months.

    PTI: प्राथमिक प्रवृत्ति सूचकांक

    PTI का क्या मतलब है? उपरोक्तPTI अर्थों में से एक है। आप ट्विटर, फेसबुक, गूगल या Pinterest के माध्यम से अपने मित्रों के साथ इसे प्रिंट या साझा करने के लिए नीचे दी गई छवि डाउनलोड कर सकते हैं यदि आप एक वेबमास्टर या ब्लॉगर हैं, तो बेझिझक अपनी वेबसाइट पर छवि पोस्ट करें। PTI की अन्य परिभाषाएं हो सकती हैं। कृपया अंग्रेजी में, और अपनी भाषा में अन्य पाँच अर्थ देखने के लिए नीचे स्क्रॉल करें

    निम्नलिखित छवि अंग्रेजी भाषा में PTI की एक परिभाषा प्रस्तुत करती है।आप ऑफ़लाइन उपयोग के लिए PNG प्रारूप में छवि फ़ाइल डाउनलोड कर सकते हैं या अपने दोस्तों को ईमेल द्वारा PTI परिभाषा की छवि भेज सकते हैं।

    PTI: प्राथमिक प्रवृत्ति सूचकांक

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