Sunday, April 12, 2020
Equality of Variance and Normality test, F-test in Python
A researcher wants to determine temperature and co2 data he uses meet the equality of variance and normality. So, he goes and tests it using F-test.
Thursday, April 9, 2020
How to Calculate Correlation with Significance and Regression using Python and Pandas
In this post, we correlate climate data, predict elevation from independent climate variables using python|pandas.
The objectives are:-
Python Code:
- Find the significance (p-value) for each correlation.
- Find the correlation coefficients.
- Find regression equation.
- Predict elevation from climate data.
- Plot Residual plot.
Table: Climate and Elevation data.
| Station | Elevation_mASL | Temp_Jan_DegC | Temp_Jul_DegC | Rainfall_mm |
| Porto Amelia | 0 | 27 | 24 | 860 |
| Salisbury | 1480 | 20 | 14 | 860 |
| Broken Hill | 1210 | 21 | 15 | 920 |
| Zomba | 960 | 23 | 17 | 1350 |
| Dar es Salaam | 0 | 27 | 23 | 1040 |
| Nairobi | 1800 | 18 | 15 | 930 |
| Voi | 603 | 26 | 23 | 515 |
| Wajir | 262 | 29 | 26 | 273 |
| Thika | 1574 | 20 | 18 | 949 |
| Nyeri | 1968 | 18 | 16 | 935 |
| Narok | 1706 | 18 | 15 | 747 |
| Nakuru | 1901 | 19 | 17 | 950 |
| Kisii | 1837 | 21 | 19 | 2037 |
| Embu | 1607 | 19 | 17 | 1327 |
| Eldoret | 2120 | 17 | 16 | 1041 |
| Moyale | 1197 | 24 | 19 | 735 |
| Entebbe | 1150 | 22 | 21 | 930 |
| Lodwar | 520 | 29 | 28 | 160 |
| Mogadishu | 0 | 26 | 26 | 430 |
| Addis Ababa | 2360 | 17 | 16 | 1200 |
| Asmara | 2320 | 15 | 17 | 470 |
Python Code:
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