# **Table A.21. The list of selected variables in LASSO with penalized unstandardized coefficients for imputation from NPS 2020/21 to TA 1 using 2020/21 Poverty Line**

||**Model**<br>**M1**|**Model**<br>**M2**|**Model**<br>**M3**|**Model**<br>**M4**|**Model**<br>**M5**|**Model**<br>**M6**|**Model**<br>**M7**|**Model**<br>**M8**|**Model**<br>**M9**|
|---|---|---|---|---|---|---|---|---|---|
|Household size|-0.049|-0.045|-0.014|-0.016|-0.044|-0.045|-0.046|-0.041|-0.043|
|Age of HH Head|-0.001|-0.003|-0.001|-0.001|-0.003|-0.003|-0.003|-0.004|-0.002|
|Head has secondary ordinary education|0.297|0.086|0.033||0.096|0.089|0.085|0.064|0.238|
|Head has secondary advanced education and higher|0.751|0.260|0.121|0.041|0.232|0.249|0.260|0.233|0.662|
|Share of hh_membr_014|-0.670|-0.381|-0.059|-0.227|-0.376|-0.406|-0.404|-0.381|-0.621|
|Share of hh_membr_1524|-0.313|-0.230||-0.155|-0.235|-0.245|-0.239|-0.228|-0.285|
|HH Head did any wage work during the last 7 days|0.065|0.042||0.013|0.033|0.045|0.042|0.028|0.023|
|HH Head was self-employed (non-farm) during the last 7 days|0.201|0.116|0.027|0.036|0.107|0.119|0.116|0.102|0.148|
|Urban|-0.338|-0.075|-0.067|0.041|-0.101|-0.072|-0.073|-0.044|-0.201|
|HH Head is Female||0.045|0.024||0.039|0.033|0.043|0.039|-0.003|
|Head has primary education||-0.016||-0.024|-0.017|-0.023|-0.018|-0.031||
|<br>Household owns a motor vehicle||0.280|0.192|0.004|0.258|0.271|0.278|0.280||
|Household owns a bicycle||0.020||0.018|0.012|0.011|0.020|0.025||
|<br>Household owns a mobile phone||0.141|0.080|-0.035|0.126|0.124|0.141|0.124||
|Household owns a video/dvd||0.006|-0.001|0.011||0.002|0.006|0.001||
|Household owns a television||0.196|0.095||0.175|0.188|0.195|0.176||
|Household owns a computer||0.362|0.240|0.074|0.318|0.349|0.360|0.360||
|Household owns a refrigerator/freezer||0.138|0.094||0.125|0.132|0.137|0.129||
|Household owns a radio||0.080|0.022|0.025|0.062|0.076|0.080|0.075||
|Household owns a mosquito net||0.027||||0.006|0.027|0.019||
|<br>Log of per capita residential area||0.426|0.195||0.434|0.448|0.427|0.425||
|<br>Concrete/Metal sheets/Tiles||0.063|0.036|-0.047|0.056|0.060|0.061|0.061||
|Burnt bricks/Concrete||0.027|0.041|-0.039|0.033|0.031|0.027|0.023||
|Floor is improved||0.101|0.055|-0.022|0.123|0.099|0.100|0.076||
|Piped water/Truck||0.068|0.044|-0.025|0.089|0.078|0.067|0.032||
|<br>Flush/VIP||0.124|0.058||0.118|0.116|0.124|0.106||
|Household owns an air c/fans|||0.059|-0.018|0.054|||||
|Log of real per adult equivalent food consumption, annual, 2010/11 prices|||0.720|||||||
|<br>lnpcnf6||||0.624||||||
|Log of real adult equivalent furnishings & household expenses cons, annual, 2010/11 prices|||||0.025|||||
|Log of real per adult equivalent health expenditure, annual, 2010/11 prices||||||0.018||||
|Log of real per adult equivalent education expenditure, annual, 2010/11 prices|||||||0.002|||
|Log of real per adult equivalent electricity & kerosene & water cons, annual, 2010/11 prices||||||||0.029|0.050|
|_cons|14.759|13.864|4.048|6.298|13.691|13.799|13.878|13.676|14.213|
|**_Goodness of fit statistics_**||||||||||
|<br>R_squared in training sub-sample|0.38|0.53|0.85|0.80|0.55|0.55|0.53|0.54|0.43|
|Rsquared in testing sub-sample|0.40|0.54|0.86|0.77|0.56|0.55|0.54|0.54|0.44|
|_<br>Rsquared|0.40|0.54|0.85|0.79|0.56|0.55|0.54|0.55|0.44|
|_<br>MSE in training sub-sample|0.33|0.25|0.08|0.11|0.24|0.24|0.25|0.24|0.31|
|<br>MSE in testing sub-sample|0.33|0.25|0.08|0.12|0.24|0.24|0.25|0.25|0.31|
|<br>MSE|0.33|0.25|0.08|0.11|0.24|0.24|0.25|0.24|0.30|
|N|4644|4644|4644|4644|4644|4644|4644|4644|4644|
|Note: Lasso linear model is used. The model is trained using Tanzania 2020/21 round. The train<br>(testing sub-sample).|ing data is|split into tw|o subsets: 5|0% used for|training (tr|aining sub-s|ample) and|50% used f|or validation|

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