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OpenBB/website/content/common/quantitative_analysis/unitroot/_index.md
Jeroen Bouma 3c9c2b9223 Complete check on Hugo Documentation (#1358) 
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* This is not a function on CA

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* This command does not exist on CA

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* Type in dcf help text

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* doesn't exists

The command 'disp' doesn't exist on the /stocks/options/ menu.

2022 Feb 16, 08:49 (✨) /stocks/options/ $ disp
usage: options {calc,yf,tr,info,pcr,load,exp,vol,voi,oi,hist,chains,grhist,unu,plot,parity,binom,vsurf,greeks,payoff,pricing,screen,cls,home,h,?,help,q,quit,..,exit,r,reset}
options: error: argument cmd: invalid choice: 'disp' (choose from 'calc', 'yf', 'tr', 'info', 'pcr', 'load', 'exp', 'vol', 'voi', 'oi', 'hist', 'chains', 'grhist', 'unu', 'plot', 'parity', 'binom', 'vsurf', 'greeks', 'payoff', 'pricing', 'screen', 'cls', 'home', 'h', '?', 'help', 'q', 'quit', '..', 'exit', 'r', 'reset')

The command 'disp' doesn't exist on the /stocks/options/ menu.

2022 Feb 16, 08:49 (✨) /stocks/options/ $

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Co-authored-by: Jeroen Bouma <jeroenbouma@MacBook-Pro-van-Jeroen.local>
Co-authored-by: jmaslek <jmaslek11@gmail.com>
2022-02-20 13:40:58 +00:00

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usage: unitroot [-r {c,ct,ctt,nc}] [-k {c,ct}] [--export {csv,json,xlsx}] [-h]

Unit root test / stationarity (ADF, KPSS)

In statistics, a unit root test tests whether a time series variable is non-stationary and possesses a unit root. The null hypothesis is generally defined as the presence of a unit root and the alternative hypothesis is either stationarity, trend stationarity or explosive root depending on the test used.

See the Wiki page on this subject for more information: https://en.wikipedia.org/wiki/Unit_root_test

optional arguments:
  -r {c,ct,ctt,nc}, --fuller_reg {c,ct,ctt,nc}
                        Type of regression. Can be ‘c’,’ct’,’ctt’,’nc’ 'c' - Constant and t - trend order (default: c)
  -k {c,ct}, --kps_reg {c,ct}
                        Type of regression. Can be ‘c’,’ct' (default: c)
  --export {csv,json,xlsx}
                        Export dataframe data to csv,json,xlsx file (default: )
  -h, --help            show this help message (default: False)

Example:

2022 Feb 16, 11:16 (✨) /stocks/qa/ $ unitroot
         Unit Root Calculation
┏━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━┓
┃                ┃ ADF        ┃ KPSS   ┃
┡━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━┩
│ Test Statistic │ -28.9536   │ 0.2928 │
├────────────────┼────────────┼────────┤
│ P-Value        │ 0.0000     │ 0.1000 │
├────────────────┼────────────┼────────┤
│ NLags          │ 0.0000     │ 3      │
├────────────────┼────────────┼────────┤
│ Nobs           │ 759.0000   │        │
├────────────────┼────────────┼────────┤
│ ICBest         │ -3339.2013 │        │
└────────────────┴────────────┴────────┘