Monthly variation in the probability of presence of adult Culicoides populations in nine European countries and the implications for targeted surveillance

Table 3 Total number of farms sampled each month and number of farms in the training and test sets

Month	Total no. of sampled farms	Training set (70%)	Test set (30%)
January	444	310	134
February	457	319	138
March	473	331	142
April	522	364	158
May	527	368	159
June	518	362	156
July	581	406	175
August	636	445	191
September	620	433	187
October	522	365	157
November	500	349	151
December	448	313	135

All observations belonging to a single farm were included in either the training or test set, but never in both

ISSN: 1756-3305