Time Series Chapter In Single Video | CA Foundation Statistics Chapter no 19 | ICAI | Chandan Poddar

In This Video We Will Discuss the Time Series Chapter all Concepts, Problems and Examples for CA Foundation and CA Foundation Statistics Chapter no 19 Has been discussed by Chandan Poddar Sir For CA Foundation Grooming Education.

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Topic Covered:
Introduction
Graphic method
Methods of semi averages
Moving average method 3 years moving average
Four years moving average
Method of least square

Time Stamp:
0:00 Intro
0:15 Time Series
2:10 Graphic Method
12:42 Moving Average Method
16:40 4 Years Moving Average

a time series is a sequence taken at successive equally spaced points in time. Thus it is a sequence of discrete-time data. Examples of time series are heights of ocean tides, counts of sunspots, and the daily closing value of the Dow Jones Industrial Average.

Time series analysis comprises methods for analyzing time series data in order to extract meaningful statistics and other characteristics of the data. Time series forecasting is the use of a model to predict future values based on previously observed values. While regression analysis is often employed in such a way as to test relationships between one more different time series, this type of analysis is not usually called "time series analysis," which refers in particular to relationships between different points in time within a single series. Interrupted time series analysis is used to detect changes in the evolution of a time series from before to after some intervention which may affect the underlying variable.

Time series data have a natural temporal ordering. This makes time series analysis distinct from cross-sectional studies, in which there is no natural ordering of the observations (e.g. explaining people's wages by reference to their respective education levels, where the individuals' data could be entered in any order). Time series analysis is also distinct from spatial data analysis where the observations typically relate to geographical locations (e.g. accounting for house prices by the location as well as the intrinsic characteristics of the houses). A stochastic model for a time series will generally reflect the fact that observations close together in time will be more closely related than observations further apart. In addition, time series models will often make use of the natural one-way ordering of time so that values for a given period will be expressed as deriving in some way from past values, rather than from future values (see time reversibility).

Methods for time series analysis may be divided into two classes: frequency-domain methods and time-domain methods. The former include spectral analysis and wavelet analysis; the latter include auto-correlation and cross-correlation analysis. In the time domain, correlation and analysis can be made in a filter-like manner using scaled correlation, thereby mitigating the need to operate in the frequency domain.

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[technicalmind]

Thank u so much sir🙏🥰🥰🥰 I completely understood this concept.

[minijoyhubanu]

Thanks you sir.Apanka explanation super hai sir bahut ache se samjha mai ajaa thaa hai ....keep it like this only sir video ...ur videos very helpful for students sir🥰

[Dre.amyoutfit]

thank you sir u make statistics easy 😊😊

[roastingraja]

Sir ye chapter iss dec 22 Mai aa reha h ki remove kar diya gya h?

[pragyajindal]

This chapter is not in my ICAI module.. is this not in syllabus for june 23 exam???

[sadafsiddique]

Thank you so much sir
This video is very helpful for me....
But sir 1 thing I want to say you
Which is....
Aapne last m 4 year moving average btaya h jisme last column m 4 year moving average h
Uska calculation 8 se kaise hua h???
Please sir mujhe bta djye
Because after two days will be my exam

[dangerbeast]

Sir can u pls pls pls tell how many mathematical models are there in time series . Some places it is written that there are 3 models but sin Some places there is mentioned of only 2 models

[kamakshivarshney]

Sir 5years avg and least square method nhi kraya apne????

[shaleenjain]

sir hum study to kr rahe h phir bhi appke according ca foundation ke paper postpone ho skte h kya plz tell us ...

[LuciferMorningstar-unkj]

Sir time series June 2023 Mai aa rha hai kya?

[lalsinghchouhan]

Sir please writing practice karbao na business law ki

[sanjeevnikalikotay]

Sir why did we divide by 8 in 4 years average?
We've been divided by 3 in 3 years
Can u please clear this?
Kindly reply.